Home / 3,247.30-4,861.50-2,429.20

Finding the Fourth Proportional to 3,247.30, 4,861.50 and 2,429.20

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Solution

The fourth proportional to 3,247.30, 4,861.50 and 2,429.20 is: 3,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.30 : 4,861.50 = 2,429.20 : x
  2. Step 2: Convert to fraction form
    3,247.30/4,861.50 = 2,429.20/x
  3. Step 3: Cross multiply
    3,247.30x = 4,861.50 × 2,429.20
  4. Step 4: Simplify right side
    3,247.30x = 11,809,555.80
  5. Step 5: Solve for x
    x = 11,809,555.80/3,247.30
  6. Step 6: Final answer
    x = 3,636.73

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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.