Home / 3,133.60-4,691.76-1,832.80

Finding the Fourth Proportional to 3,133.60, 4,691.76 and 1,832.80

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Solution

The fourth proportional to 3,133.60, 4,691.76 and 1,832.80 is: 2,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.60 : 4,691.76 = 1,832.80 : x
  2. Step 2: Convert to fraction form
    3,133.60/4,691.76 = 1,832.80/x
  3. Step 3: Cross multiply
    3,133.60x = 4,691.76 × 1,832.80
  4. Step 4: Simplify right side
    3,133.60x = 8,599,057.73
  5. Step 5: Solve for x
    x = 8,599,057.73/3,133.60
  6. Step 6: Final answer
    x = 2,744.15

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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.