Home / 3,163.39-4,743.25-1,517.69

Finding the Fourth Proportional to 3,163.39, 4,743.25 and 1,517.69

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Solution

The fourth proportional to 3,163.39, 4,743.25 and 1,517.69 is: 2,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.39 : 4,743.25 = 1,517.69 : x
  2. Step 2: Convert to fraction form
    3,163.39/4,743.25 = 1,517.69/x
  3. Step 3: Cross multiply
    3,163.39x = 4,743.25 × 1,517.69
  4. Step 4: Simplify right side
    3,163.39x = 7,198,783.09
  5. Step 5: Solve for x
    x = 7,198,783.09/3,163.39
  6. Step 6: Final answer
    x = 2,275.65

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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.