Home / 2,226.45-3,337.82-839.02

Finding the Fourth Proportional to 2,226.45, 3,337.82 and 839.02

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Solution

The fourth proportional to 2,226.45, 3,337.82 and 839.02 is: 1,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.45 : 3,337.82 = 839.02 : x
  2. Step 2: Convert to fraction form
    2,226.45/3,337.82 = 839.02/x
  3. Step 3: Cross multiply
    2,226.45x = 3,337.82 × 839.02
  4. Step 4: Simplify right side
    2,226.45x = 2,800,497.74
  5. Step 5: Solve for x
    x = 2,800,497.74/2,226.45
  6. Step 6: Final answer
    x = 1,257.83

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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.