Home / 2,247.62-3,102.10-1,659.86

Finding the Fourth Proportional to 2,247.62, 3,102.10 and 1,659.86

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Solution

The fourth proportional to 2,247.62, 3,102.10 and 1,659.86 is: 2,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.62 : 3,102.10 = 1,659.86 : x
  2. Step 2: Convert to fraction form
    2,247.62/3,102.10 = 1,659.86/x
  3. Step 3: Cross multiply
    2,247.62x = 3,102.10 × 1,659.86
  4. Step 4: Simplify right side
    2,247.62x = 5,149,032.05
  5. Step 5: Solve for x
    x = 5,149,032.05/2,247.62
  6. Step 6: Final answer
    x = 2,290.88

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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.