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Finding the Fourth Proportional to 3,743.32, 5,165.64 and 2,064.64

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Solution

The fourth proportional to 3,743.32, 5,165.64 and 2,064.64 is: 2,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.32 : 5,165.64 = 2,064.64 : x
  2. Step 2: Convert to fraction form
    3,743.32/5,165.64 = 2,064.64/x
  3. Step 3: Cross multiply
    3,743.32x = 5,165.64 × 2,064.64
  4. Step 4: Simplify right side
    3,743.32x = 10,665,186.97
  5. Step 5: Solve for x
    x = 10,665,186.97/3,743.32
  6. Step 6: Final answer
    x = 2,849.13

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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.