Home / 3,197.27-4,412.33-1,761.78

Finding the Fourth Proportional to 3,197.27, 4,412.33 and 1,761.78

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Solution

The fourth proportional to 3,197.27, 4,412.33 and 1,761.78 is: 2,431.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.27 : 4,412.33 = 1,761.78 : x
  2. Step 2: Convert to fraction form
    3,197.27/4,412.33 = 1,761.78/x
  3. Step 3: Cross multiply
    3,197.27x = 4,412.33 × 1,761.78
  4. Step 4: Simplify right side
    3,197.27x = 7,773,545.94
  5. Step 5: Solve for x
    x = 7,773,545.94/3,197.27
  6. Step 6: Final answer
    x = 2,431.31

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1.5x scale

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.