Home / 3,220.92-4,443.38-2,227.59

Finding the Fourth Proportional to 3,220.92, 4,443.38 and 2,227.59

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Solution

The fourth proportional to 3,220.92, 4,443.38 and 2,227.59 is: 3,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.92 : 4,443.38 = 2,227.59 : x
  2. Step 2: Convert to fraction form
    3,220.92/4,443.38 = 2,227.59/x
  3. Step 3: Cross multiply
    3,220.92x = 4,443.38 × 2,227.59
  4. Step 4: Simplify right side
    3,220.92x = 9,898,017.72
  5. Step 5: Solve for x
    x = 9,898,017.72/3,220.92
  6. Step 6: Final answer
    x = 3,073.04

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Half scale
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Double scale
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1.5x scale

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.