Home / 3,743.12-5,165.50-2,149.87

Finding the Fourth Proportional to 3,743.12, 5,165.50 and 2,149.87

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Solution

The fourth proportional to 3,743.12, 5,165.50 and 2,149.87 is: 2,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.12 : 5,165.50 = 2,149.87 : x
  2. Step 2: Convert to fraction form
    3,743.12/5,165.50 = 2,149.87/x
  3. Step 3: Cross multiply
    3,743.12x = 5,165.50 × 2,149.87
  4. Step 4: Simplify right side
    3,743.12x = 11,105,173.13
  5. Step 5: Solve for x
    x = 11,105,173.13/3,743.12
  6. Step 6: Final answer
    x = 2,966.82

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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.