Home / 3,234.24-4,463.28-1,818

Finding the Fourth Proportional to 3,234.24, 4,463.28 and 1,818

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Solution

The fourth proportional to 3,234.24, 4,463.28 and 1,818 is: 2,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.24 : 4,463.28 = 1,818 : x
  2. Step 2: Convert to fraction form
    3,234.24/4,463.28 = 1,818/x
  3. Step 3: Cross multiply
    3,234.24x = 4,463.28 × 1,818
  4. Step 4: Simplify right side
    3,234.24x = 8,114,243.04
  5. Step 5: Solve for x
    x = 8,114,243.04/3,234.24
  6. Step 6: Final answer
    x = 2,508.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.