Home / 3,195.86-4,792.26-1,115.61

Finding the Fourth Proportional to 3,195.86, 4,792.26 and 1,115.61

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Solution

The fourth proportional to 3,195.86, 4,792.26 and 1,115.61 is: 1,672.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.86 : 4,792.26 = 1,115.61 : x
  2. Step 2: Convert to fraction form
    3,195.86/4,792.26 = 1,115.61/x
  3. Step 3: Cross multiply
    3,195.86x = 4,792.26 × 1,115.61
  4. Step 4: Simplify right side
    3,195.86x = 5,346,293.18
  5. Step 5: Solve for x
    x = 5,346,293.18/3,195.86
  6. Step 6: Final answer
    x = 1,672.88

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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.