Home / 3,251.30-4,877.39-1,142.43

Finding the Fourth Proportional to 3,251.30, 4,877.39 and 1,142.43

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Solution

The fourth proportional to 3,251.30, 4,877.39 and 1,142.43 is: 1,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.30 : 4,877.39 = 1,142.43 : x
  2. Step 2: Convert to fraction form
    3,251.30/4,877.39 = 1,142.43/x
  3. Step 3: Cross multiply
    3,251.30x = 4,877.39 × 1,142.43
  4. Step 4: Simplify right side
    3,251.30x = 5,572,076.66
  5. Step 5: Solve for x
    x = 5,572,076.66/3,251.30
  6. Step 6: Final answer
    x = 1,713.80

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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.