Home / 3,546.73-4,891.29-2,220.55

Finding the Fourth Proportional to 3,546.73, 4,891.29 and 2,220.55

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Solution

The fourth proportional to 3,546.73, 4,891.29 and 2,220.55 is: 3,062.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.73 : 4,891.29 = 2,220.55 : x
  2. Step 2: Convert to fraction form
    3,546.73/4,891.29 = 2,220.55/x
  3. Step 3: Cross multiply
    3,546.73x = 4,891.29 × 2,220.55
  4. Step 4: Simplify right side
    3,546.73x = 10,861,354.01
  5. Step 5: Solve for x
    x = 10,861,354.01/3,546.73
  6. Step 6: Final answer
    x = 3,062.36

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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.