Home / 3,221.17-4,443.72-2,227.84

Finding the Fourth Proportional to 3,221.17, 4,443.72 and 2,227.84

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Solution

The fourth proportional to 3,221.17, 4,443.72 and 2,227.84 is: 3,073.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.17 : 4,443.72 = 2,227.84 : x
  2. Step 2: Convert to fraction form
    3,221.17/4,443.72 = 2,227.84/x
  3. Step 3: Cross multiply
    3,221.17x = 4,443.72 × 2,227.84
  4. Step 4: Simplify right side
    3,221.17x = 9,899,897.16
  5. Step 5: Solve for x
    x = 9,899,897.16/3,221.17
  6. Step 6: Final answer
    x = 3,073.39

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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.