Home / 3,845.08-5,306.97-2,251.90

Finding the Fourth Proportional to 3,845.08, 5,306.97 and 2,251.90

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Solution

The fourth proportional to 3,845.08, 5,306.97 and 2,251.90 is: 3,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.08 : 5,306.97 = 2,251.90 : x
  2. Step 2: Convert to fraction form
    3,845.08/5,306.97 = 2,251.90/x
  3. Step 3: Cross multiply
    3,845.08x = 5,306.97 × 2,251.90
  4. Step 4: Simplify right side
    3,845.08x = 11,950,765.74
  5. Step 5: Solve for x
    x = 11,950,765.74/3,845.08
  6. Step 6: Final answer
    x = 3,108.07

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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.