Home / 2,279.62-3,419.42-1,760.37

Finding the Fourth Proportional to 2,279.62, 3,419.42 and 1,760.37

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Solution

The fourth proportional to 2,279.62, 3,419.42 and 1,760.37 is: 2,640.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.62 : 3,419.42 = 1,760.37 : x
  2. Step 2: Convert to fraction form
    2,279.62/3,419.42 = 1,760.37/x
  3. Step 3: Cross multiply
    2,279.62x = 3,419.42 × 1,760.37
  4. Step 4: Simplify right side
    2,279.62x = 6,019,463.26
  5. Step 5: Solve for x
    x = 6,019,463.26/2,279.62
  6. Step 6: Final answer
    x = 2,640.56

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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.