Home / 3,702.60-5,104.18-2,816.87

Finding the Fourth Proportional to 3,702.60, 5,104.18 and 2,816.87

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Solution

The fourth proportional to 3,702.60, 5,104.18 and 2,816.87 is: 3,883.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.60 : 5,104.18 = 2,816.87 : x
  2. Step 2: Convert to fraction form
    3,702.60/5,104.18 = 2,816.87/x
  3. Step 3: Cross multiply
    3,702.60x = 5,104.18 × 2,816.87
  4. Step 4: Simplify right side
    3,702.60x = 14,377,771.91
  5. Step 5: Solve for x
    x = 14,377,771.91/3,702.60
  6. Step 6: Final answer
    x = 3,883.16

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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.