Home / 3,197.12-4,792.82-1,115.69

Finding the Fourth Proportional to 3,197.12, 4,792.82 and 1,115.69

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Solution

The fourth proportional to 3,197.12, 4,792.82 and 1,115.69 is: 1,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.12 : 4,792.82 = 1,115.69 : x
  2. Step 2: Convert to fraction form
    3,197.12/4,792.82 = 1,115.69/x
  3. Step 3: Cross multiply
    3,197.12x = 4,792.82 × 1,115.69
  4. Step 4: Simplify right side
    3,197.12x = 5,347,271.80
  5. Step 5: Solve for x
    x = 5,347,271.80/3,197.12
  6. Step 6: Final answer
    x = 1,672.53

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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.