Home / 3,629.20-5,443.80-2,167.60

Finding the Fourth Proportional to 3,629.20, 5,443.80 and 2,167.60

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Solution

The fourth proportional to 3,629.20, 5,443.80 and 2,167.60 is: 3,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.20 : 5,443.80 = 2,167.60 : x
  2. Step 2: Convert to fraction form
    3,629.20/5,443.80 = 2,167.60/x
  3. Step 3: Cross multiply
    3,629.20x = 5,443.80 × 2,167.60
  4. Step 4: Simplify right side
    3,629.20x = 11,799,980.88
  5. Step 5: Solve for x
    x = 11,799,980.88/3,629.20
  6. Step 6: Final answer
    x = 3,251.40

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Similar ratio
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1.5x scale

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.