Home / 3,702.28-5,553.38-1,105.24

Finding the Fourth Proportional to 3,702.28, 5,553.38 and 1,105.24

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Solution

The fourth proportional to 3,702.28, 5,553.38 and 1,105.24 is: 1,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.28 : 5,553.38 = 1,105.24 : x
  2. Step 2: Convert to fraction form
    3,702.28/5,553.38 = 1,105.24/x
  3. Step 3: Cross multiply
    3,702.28x = 5,553.38 × 1,105.24
  4. Step 4: Simplify right side
    3,702.28x = 6,137,817.71
  5. Step 5: Solve for x
    x = 6,137,817.71/3,702.28
  6. Step 6: Final answer
    x = 1,657.85

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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.