Home / 2,891.22-4,337.25-1,247.73

Finding the Fourth Proportional to 2,891.22, 4,337.25 and 1,247.73

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Solution

The fourth proportional to 2,891.22, 4,337.25 and 1,247.73 is: 1,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.22 : 4,337.25 = 1,247.73 : x
  2. Step 2: Convert to fraction form
    2,891.22/4,337.25 = 1,247.73/x
  3. Step 3: Cross multiply
    2,891.22x = 4,337.25 × 1,247.73
  4. Step 4: Simplify right side
    2,891.22x = 5,411,716.94
  5. Step 5: Solve for x
    x = 5,411,716.94/2,891.22
  6. Step 6: Final answer
    x = 1,871.78

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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.