Home / 3,174.12-4,761.14-1,418.66

Finding the Fourth Proportional to 3,174.12, 4,761.14 and 1,418.66

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Solution

The fourth proportional to 3,174.12, 4,761.14 and 1,418.66 is: 2,127.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.12 : 4,761.14 = 1,418.66 : x
  2. Step 2: Convert to fraction form
    3,174.12/4,761.14 = 1,418.66/x
  3. Step 3: Cross multiply
    3,174.12x = 4,761.14 × 1,418.66
  4. Step 4: Simplify right side
    3,174.12x = 6,754,438.87
  5. Step 5: Solve for x
    x = 6,754,438.87/3,174.12
  6. Step 6: Final answer
    x = 2,127.97

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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.