Home / 2,206.10-3,310.13-819.11

Finding the Fourth Proportional to 2,206.10, 3,310.13 and 819.11

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Solution

The fourth proportional to 2,206.10, 3,310.13 and 819.11 is: 1,229.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.10 : 3,310.13 = 819.11 : x
  2. Step 2: Convert to fraction form
    2,206.10/3,310.13 = 819.11/x
  3. Step 3: Cross multiply
    2,206.10x = 3,310.13 × 819.11
  4. Step 4: Simplify right side
    2,206.10x = 2,711,370.91
  5. Step 5: Solve for x
    x = 2,711,370.91/2,206.10
  6. Step 6: Final answer
    x = 1,229.03

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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.