Home / 2,819.56-4,229.31-1,086.97

Finding the Fourth Proportional to 2,819.56, 4,229.31 and 1,086.97

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Solution

The fourth proportional to 2,819.56, 4,229.31 and 1,086.97 is: 1,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.56 : 4,229.31 = 1,086.97 : x
  2. Step 2: Convert to fraction form
    2,819.56/4,229.31 = 1,086.97/x
  3. Step 3: Cross multiply
    2,819.56x = 4,229.31 × 1,086.97
  4. Step 4: Simplify right side
    2,819.56x = 4,597,133.09
  5. Step 5: Solve for x
    x = 4,597,133.09/2,819.56
  6. Step 6: Final answer
    x = 1,630.44

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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.