Home / 3,229.20-4,843.80-1,151.55

Finding the Fourth Proportional to 3,229.20, 4,843.80 and 1,151.55

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Solution

The fourth proportional to 3,229.20, 4,843.80 and 1,151.55 is: 1,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.20 : 4,843.80 = 1,151.55 : x
  2. Step 2: Convert to fraction form
    3,229.20/4,843.80 = 1,151.55/x
  3. Step 3: Cross multiply
    3,229.20x = 4,843.80 × 1,151.55
  4. Step 4: Simplify right side
    3,229.20x = 5,577,877.89
  5. Step 5: Solve for x
    x = 5,577,877.89/3,229.20
  6. Step 6: Final answer
    x = 1,727.33

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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.