Home / 3,195.26-4,792.92-1,115.26

Finding the Fourth Proportional to 3,195.26, 4,792.92 and 1,115.26

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Solution

The fourth proportional to 3,195.26, 4,792.92 and 1,115.26 is: 1,672.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.26 : 4,792.92 = 1,115.26 : x
  2. Step 2: Convert to fraction form
    3,195.26/4,792.92 = 1,115.26/x
  3. Step 3: Cross multiply
    3,195.26x = 4,792.92 × 1,115.26
  4. Step 4: Simplify right side
    3,195.26x = 5,345,322.42
  5. Step 5: Solve for x
    x = 5,345,322.42/3,195.26
  6. Step 6: Final answer
    x = 1,672.89

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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.