Home / 3,142.20-4,711.37-1,062

Finding the Fourth Proportional to 3,142.20, 4,711.37 and 1,062

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Solution

The fourth proportional to 3,142.20, 4,711.37 and 1,062 is: 1,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.20 : 4,711.37 = 1,062 : x
  2. Step 2: Convert to fraction form
    3,142.20/4,711.37 = 1,062/x
  3. Step 3: Cross multiply
    3,142.20x = 4,711.37 × 1,062
  4. Step 4: Simplify right side
    3,142.20x = 5,003,469.63
  5. Step 5: Solve for x
    x = 5,003,469.63/3,142.20
  6. Step 6: Final answer
    x = 1,592.35

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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.