Home / 3,517.92-5,275.66-1,960.28

Finding the Fourth Proportional to 3,517.92, 5,275.66 and 1,960.28

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Solution

The fourth proportional to 3,517.92, 5,275.66 and 1,960.28 is: 2,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.92 : 5,275.66 = 1,960.28 : x
  2. Step 2: Convert to fraction form
    3,517.92/5,275.66 = 1,960.28/x
  3. Step 3: Cross multiply
    3,517.92x = 5,275.66 × 1,960.28
  4. Step 4: Simplify right side
    3,517.92x = 10,341,770.78
  5. Step 5: Solve for x
    x = 10,341,770.78/3,517.92
  6. Step 6: Final answer
    x = 2,939.74

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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.