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Finding the Fourth Proportional to 3,952.25, 5,931.96 and 2,104.93

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Solution

The fourth proportional to 3,952.25, 5,931.96 and 2,104.93 is: 3,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.25 : 5,931.96 = 2,104.93 : x
  2. Step 2: Convert to fraction form
    3,952.25/5,931.96 = 2,104.93/x
  3. Step 3: Cross multiply
    3,952.25x = 5,931.96 × 2,104.93
  4. Step 4: Simplify right side
    3,952.25x = 12,486,320.38
  5. Step 5: Solve for x
    x = 12,486,320.38/3,952.25
  6. Step 6: Final answer
    x = 3,159.30

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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.