Home / 3,693.60-5,540.40-1,229.04

Finding the Fourth Proportional to 3,693.60, 5,540.40 and 1,229.04

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Solution

The fourth proportional to 3,693.60, 5,540.40 and 1,229.04 is: 1,843.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.60 : 5,540.40 = 1,229.04 : x
  2. Step 2: Convert to fraction form
    3,693.60/5,540.40 = 1,229.04/x
  3. Step 3: Cross multiply
    3,693.60x = 5,540.40 × 1,229.04
  4. Step 4: Simplify right side
    3,693.60x = 6,809,373.22
  5. Step 5: Solve for x
    x = 6,809,373.22/3,693.60
  6. Step 6: Final answer
    x = 1,843.56

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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.