Home / 3,702.64-5,553.40-1,105.80

Finding the Fourth Proportional to 3,702.64, 5,553.40 and 1,105.80

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Solution

The fourth proportional to 3,702.64, 5,553.40 and 1,105.80 is: 1,658.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.64 : 5,553.40 = 1,105.80 : x
  2. Step 2: Convert to fraction form
    3,702.64/5,553.40 = 1,105.80/x
  3. Step 3: Cross multiply
    3,702.64x = 5,553.40 × 1,105.80
  4. Step 4: Simplify right side
    3,702.64x = 6,140,949.72
  5. Step 5: Solve for x
    x = 6,140,949.72/3,702.64
  6. Step 6: Final answer
    x = 1,658.53

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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.