Home / 3,791.20-5,227.14-3,162.64

Finding the Fourth Proportional to 3,791.20, 5,227.14 and 3,162.64

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Solution

The fourth proportional to 3,791.20, 5,227.14 and 3,162.64 is: 4,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.20 : 5,227.14 = 3,162.64 : x
  2. Step 2: Convert to fraction form
    3,791.20/5,227.14 = 3,162.64/x
  3. Step 3: Cross multiply
    3,791.20x = 5,227.14 × 3,162.64
  4. Step 4: Simplify right side
    3,791.20x = 16,531,562.05
  5. Step 5: Solve for x
    x = 16,531,562.05/3,791.20
  6. Step 6: Final answer
    x = 4,360.51

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1.5x scale

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.