Home / 2,221.39-3,332.66-834.88

Finding the Fourth Proportional to 2,221.39, 3,332.66 and 834.88

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Solution

The fourth proportional to 2,221.39, 3,332.66 and 834.88 is: 1,252.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.39 : 3,332.66 = 834.88 : x
  2. Step 2: Convert to fraction form
    2,221.39/3,332.66 = 834.88/x
  3. Step 3: Cross multiply
    2,221.39x = 3,332.66 × 834.88
  4. Step 4: Simplify right side
    2,221.39x = 2,782,371.18
  5. Step 5: Solve for x
    x = 2,782,371.18/2,221.39
  6. Step 6: Final answer
    x = 1,252.54

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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.