If the ratio of the length of a rectangle to its width is 3 to 2, what is the
length of a rectangle whose width is 4 inches?

Length of a rectangle whose width is 4 inches is

6 inches

Explanation:

Ratio of length  to its width is 3 to 2

Let length  = L

Let Width  = B

L: B = 3 : 2 (given)

Width ,B = 4

Insert  B in above equation

cross multiply,

L = 6 inches

Conversion(if required) ,

1 inch = 2.54 cm

6 inch = 2.54 (6)

L = 15.24 cm

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