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Finding the Fourth Proportional to 3,287.26, 4,932.33 and 1,726.90

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Solution

The fourth proportional to 3,287.26, 4,932.33 and 1,726.90 is: 2,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.26 : 4,932.33 = 1,726.90 : x
  2. Step 2: Convert to fraction form
    3,287.26/4,932.33 = 1,726.90/x
  3. Step 3: Cross multiply
    3,287.26x = 4,932.33 × 1,726.90
  4. Step 4: Simplify right side
    3,287.26x = 8,517,640.68
  5. Step 5: Solve for x
    x = 8,517,640.68/3,287.26
  6. Step 6: Final answer
    x = 2,591.11

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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.