Home / 2,738.25-4,101.19-1,640.29

Finding the Fourth Proportional to 2,738.25, 4,101.19 and 1,640.29

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Solution

The fourth proportional to 2,738.25, 4,101.19 and 1,640.29 is: 2,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.25 : 4,101.19 = 1,640.29 : x
  2. Step 2: Convert to fraction form
    2,738.25/4,101.19 = 1,640.29/x
  3. Step 3: Cross multiply
    2,738.25x = 4,101.19 × 1,640.29
  4. Step 4: Simplify right side
    2,738.25x = 6,727,140.95
  5. Step 5: Solve for x
    x = 6,727,140.95/2,738.25
  6. Step 6: Final answer
    x = 2,456.73

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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.