Home / 3,791.11-5,687.61-1,451.30

Finding the Fourth Proportional to 3,791.11, 5,687.61 and 1,451.30

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Solution

The fourth proportional to 3,791.11, 5,687.61 and 1,451.30 is: 2,177.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.11 : 5,687.61 = 1,451.30 : x
  2. Step 2: Convert to fraction form
    3,791.11/5,687.61 = 1,451.30/x
  3. Step 3: Cross multiply
    3,791.11x = 5,687.61 × 1,451.30
  4. Step 4: Simplify right side
    3,791.11x = 8,254,399.95
  5. Step 5: Solve for x
    x = 8,254,399.95/3,791.11
  6. Step 6: Final answer
    x = 2,177.31

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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.