Home / 3,633.97-5,436.78-3,191.71

Finding the Fourth Proportional to 3,633.97, 5,436.78 and 3,191.71

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Solution

The fourth proportional to 3,633.97, 5,436.78 and 3,191.71 is: 4,775.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.97 : 5,436.78 = 3,191.71 : x
  2. Step 2: Convert to fraction form
    3,633.97/5,436.78 = 3,191.71/x
  3. Step 3: Cross multiply
    3,633.97x = 5,436.78 × 3,191.71
  4. Step 4: Simplify right side
    3,633.97x = 17,352,625.09
  5. Step 5: Solve for x
    x = 17,352,625.09/3,633.97
  6. Step 6: Final answer
    x = 4,775.12

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1.5x scale

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.