Number to add to a ratio

What number must be added to each term of the ratio $5 : 37$ to make it equal to $1 : 3$ ?

~3 minAnswer checked instantlyRatioAdjustment

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. I. Ratio, Examples I, No. 4

Stuck? A gentle nudge

Something off?

Workspace

Your answer

Loading the math keyboard…

Type naturally — sqrt, pi, / and ^ become notation. Any equivalent form is accepted. Press Enter to check.

Checked against the answer in H. S. Hall & S. R. Knight, Higher Algebra (1891).