Home / 1,240.11-1,854.63-932.18

Finding the Fourth Proportional to 1,240.11, 1,854.63 and 932.18

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Solution

The fourth proportional to 1,240.11, 1,854.63 and 932.18 is: 1,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240.11 : 1,854.63 = 932.18 : x
  2. Step 2: Convert to fraction form
    1,240.11/1,854.63 = 932.18/x
  3. Step 3: Cross multiply
    1,240.11x = 1,854.63 × 932.18
  4. Step 4: Simplify right side
    1,240.11x = 1,728,839.72
  5. Step 5: Solve for x
    x = 1,728,839.72/1,240.11
  6. Step 6: Final answer
    x = 1,394.10

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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.