Home / 2,422.92-3,635.28-1,267.86

Finding the Fourth Proportional to 2,422.92, 3,635.28 and 1,267.86

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Solution

The fourth proportional to 2,422.92, 3,635.28 and 1,267.86 is: 1,902.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.92 : 3,635.28 = 1,267.86 : x
  2. Step 2: Convert to fraction form
    2,422.92/3,635.28 = 1,267.86/x
  3. Step 3: Cross multiply
    2,422.92x = 3,635.28 × 1,267.86
  4. Step 4: Simplify right side
    2,422.92x = 4,609,026.10
  5. Step 5: Solve for x
    x = 4,609,026.10/2,422.92
  6. Step 6: Final answer
    x = 1,902.26

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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.