Home / 2,221.43-3,332.03-834.66

Finding the Fourth Proportional to 2,221.43, 3,332.03 and 834.66

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Solution

The fourth proportional to 2,221.43, 3,332.03 and 834.66 is: 1,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.43 : 3,332.03 = 834.66 : x
  2. Step 2: Convert to fraction form
    2,221.43/3,332.03 = 834.66/x
  3. Step 3: Cross multiply
    2,221.43x = 3,332.03 × 834.66
  4. Step 4: Simplify right side
    2,221.43x = 2,781,114.25
  5. Step 5: Solve for x
    x = 2,781,114.25/2,221.43
  6. Step 6: Final answer
    x = 1,251.95

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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.