Home / 3,702.39-5,553.60-1,105.35

Finding the Fourth Proportional to 3,702.39, 5,553.60 and 1,105.35

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Solution

The fourth proportional to 3,702.39, 5,553.60 and 1,105.35 is: 1,658.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.39 : 5,553.60 = 1,105.35 : x
  2. Step 2: Convert to fraction form
    3,702.39/5,553.60 = 1,105.35/x
  3. Step 3: Cross multiply
    3,702.39x = 5,553.60 × 1,105.35
  4. Step 4: Simplify right side
    3,702.39x = 6,138,671.76
  5. Step 5: Solve for x
    x = 6,138,671.76/3,702.39
  6. Step 6: Final answer
    x = 1,658.03

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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.