Home / 3,755.31-5,633.88-1,290.16

Finding the Fourth Proportional to 3,755.31, 5,633.88 and 1,290.16

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Solution

The fourth proportional to 3,755.31, 5,633.88 and 1,290.16 is: 1,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.31 : 5,633.88 = 1,290.16 : x
  2. Step 2: Convert to fraction form
    3,755.31/5,633.88 = 1,290.16/x
  3. Step 3: Cross multiply
    3,755.31x = 5,633.88 × 1,290.16
  4. Step 4: Simplify right side
    3,755.31x = 7,268,616.08
  5. Step 5: Solve for x
    x = 7,268,616.08/3,755.31
  6. Step 6: Final answer
    x = 1,935.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.