Home / 3,181.24-4,385.49-2,234.15

Finding the Fourth Proportional to 3,181.24, 4,385.49 and 2,234.15

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Solution

The fourth proportional to 3,181.24, 4,385.49 and 2,234.15 is: 3,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.24 : 4,385.49 = 2,234.15 : x
  2. Step 2: Convert to fraction form
    3,181.24/4,385.49 = 2,234.15/x
  3. Step 3: Cross multiply
    3,181.24x = 4,385.49 × 2,234.15
  4. Step 4: Simplify right side
    3,181.24x = 9,797,820.56
  5. Step 5: Solve for x
    x = 9,797,820.56/3,181.24
  6. Step 6: Final answer
    x = 3,079.88

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1.5x scale

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.