Home / 2,770.20-3,819.96-1,773.90

Finding the Fourth Proportional to 2,770.20, 3,819.96 and 1,773.90

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Solution

The fourth proportional to 2,770.20, 3,819.96 and 1,773.90 is: 2,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.20 : 3,819.96 = 1,773.90 : x
  2. Step 2: Convert to fraction form
    2,770.20/3,819.96 = 1,773.90/x
  3. Step 3: Cross multiply
    2,770.20x = 3,819.96 × 1,773.90
  4. Step 4: Simplify right side
    2,770.20x = 6,776,227.04
  5. Step 5: Solve for x
    x = 6,776,227.04/2,770.20
  6. Step 6: Final answer
    x = 2,446.11

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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.