Home / 1,332.47-1,839.31-1,001.86

Finding the Fourth Proportional to 1,332.47, 1,839.31 and 1,001.86

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Solution

The fourth proportional to 1,332.47, 1,839.31 and 1,001.86 is: 1,382.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.47 : 1,839.31 = 1,001.86 : x
  2. Step 2: Convert to fraction form
    1,332.47/1,839.31 = 1,001.86/x
  3. Step 3: Cross multiply
    1,332.47x = 1,839.31 × 1,001.86
  4. Step 4: Simplify right side
    1,332.47x = 1,842,731.12
  5. Step 5: Solve for x
    x = 1,842,731.12/1,332.47
  6. Step 6: Final answer
    x = 1,382.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.