Home / 3,220.97-4,446.24-1,962.38

Finding the Fourth Proportional to 3,220.97, 4,446.24 and 1,962.38

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Solution

The fourth proportional to 3,220.97, 4,446.24 and 1,962.38 is: 2,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.97 : 4,446.24 = 1,962.38 : x
  2. Step 2: Convert to fraction form
    3,220.97/4,446.24 = 1,962.38/x
  3. Step 3: Cross multiply
    3,220.97x = 4,446.24 × 1,962.38
  4. Step 4: Simplify right side
    3,220.97x = 8,725,202.24
  5. Step 5: Solve for x
    x = 8,725,202.24/3,220.97
  6. Step 6: Final answer
    x = 2,708.88

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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.