Home / 2,734.20-4,101.30-759.83

Finding the Fourth Proportional to 2,734.20, 4,101.30 and 759.83

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Solution

The fourth proportional to 2,734.20, 4,101.30 and 759.83 is: 1,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.20 : 4,101.30 = 759.83 : x
  2. Step 2: Convert to fraction form
    2,734.20/4,101.30 = 759.83/x
  3. Step 3: Cross multiply
    2,734.20x = 4,101.30 × 759.83
  4. Step 4: Simplify right side
    2,734.20x = 3,116,270.27
  5. Step 5: Solve for x
    x = 3,116,270.27/2,734.20
  6. Step 6: Final answer
    x = 1,139.74

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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.