Home / 3,761.79-5,191.37-2,500.66

Finding the Fourth Proportional to 3,761.79, 5,191.37 and 2,500.66

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Solution

The fourth proportional to 3,761.79, 5,191.37 and 2,500.66 is: 3,450.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.79 : 5,191.37 = 2,500.66 : x
  2. Step 2: Convert to fraction form
    3,761.79/5,191.37 = 2,500.66/x
  3. Step 3: Cross multiply
    3,761.79x = 5,191.37 × 2,500.66
  4. Step 4: Simplify right side
    3,761.79x = 12,981,851.30
  5. Step 5: Solve for x
    x = 12,981,851.30/3,761.79
  6. Step 6: Final answer
    x = 3,450.98

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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.