Home / 3,287.72-4,933.20-2,320.04

Finding the Fourth Proportional to 3,287.72, 4,933.20 and 2,320.04

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Solution

The fourth proportional to 3,287.72, 4,933.20 and 2,320.04 is: 3,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.72 : 4,933.20 = 2,320.04 : x
  2. Step 2: Convert to fraction form
    3,287.72/4,933.20 = 2,320.04/x
  3. Step 3: Cross multiply
    3,287.72x = 4,933.20 × 2,320.04
  4. Step 4: Simplify right side
    3,287.72x = 11,445,221.33
  5. Step 5: Solve for x
    x = 11,445,221.33/3,287.72
  6. Step 6: Final answer
    x = 3,481.20

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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.