Home / 3,791.24-5,685.50-1,451.90

Finding the Fourth Proportional to 3,791.24, 5,685.50 and 1,451.90

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Solution

The fourth proportional to 3,791.24, 5,685.50 and 1,451.90 is: 2,177.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.24 : 5,685.50 = 1,451.90 : x
  2. Step 2: Convert to fraction form
    3,791.24/5,685.50 = 1,451.90/x
  3. Step 3: Cross multiply
    3,791.24x = 5,685.50 × 1,451.90
  4. Step 4: Simplify right side
    3,791.24x = 8,254,777.45
  5. Step 5: Solve for x
    x = 8,254,777.45/3,791.24
  6. Step 6: Final answer
    x = 2,177.33

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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.