Home / 2,227.10-3,086.38-2,195.78

Finding the Fourth Proportional to 2,227.10, 3,086.38 and 2,195.78

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Solution

The fourth proportional to 2,227.10, 3,086.38 and 2,195.78 is: 3,042.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.10 : 3,086.38 = 2,195.78 : x
  2. Step 2: Convert to fraction form
    2,227.10/3,086.38 = 2,195.78/x
  3. Step 3: Cross multiply
    2,227.10x = 3,086.38 × 2,195.78
  4. Step 4: Simplify right side
    2,227.10x = 6,777,000.50
  5. Step 5: Solve for x
    x = 6,777,000.50/2,227.10
  6. Step 6: Final answer
    x = 3,042.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.