Home / 2,688.29-4,032.13-932.97

Finding the Fourth Proportional to 2,688.29, 4,032.13 and 932.97

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Solution

The fourth proportional to 2,688.29, 4,032.13 and 932.97 is: 1,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.29 : 4,032.13 = 932.97 : x
  2. Step 2: Convert to fraction form
    2,688.29/4,032.13 = 932.97/x
  3. Step 3: Cross multiply
    2,688.29x = 4,032.13 × 932.97
  4. Step 4: Simplify right side
    2,688.29x = 3,761,851.66
  5. Step 5: Solve for x
    x = 3,761,851.66/2,688.29
  6. Step 6: Final answer
    x = 1,399.35

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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.