Home / 3,247.56-4,863.04-2,829.20

Finding the Fourth Proportional to 3,247.56, 4,863.04 and 2,829.20

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Solution

The fourth proportional to 3,247.56, 4,863.04 and 2,829.20 is: 4,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.56 : 4,863.04 = 2,829.20 : x
  2. Step 2: Convert to fraction form
    3,247.56/4,863.04 = 2,829.20/x
  3. Step 3: Cross multiply
    3,247.56x = 4,863.04 × 2,829.20
  4. Step 4: Simplify right side
    3,247.56x = 13,758,481.38
  5. Step 5: Solve for x
    x = 13,758,481.38/3,247.56
  6. Step 6: Final answer
    x = 4,236.56

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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.