Home / 3,160.20-4,734.42-2,117.13

Finding the Fourth Proportional to 3,160.20, 4,734.42 and 2,117.13

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Solution

The fourth proportional to 3,160.20, 4,734.42 and 2,117.13 is: 3,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.20 : 4,734.42 = 2,117.13 : x
  2. Step 2: Convert to fraction form
    3,160.20/4,734.42 = 2,117.13/x
  3. Step 3: Cross multiply
    3,160.20x = 4,734.42 × 2,117.13
  4. Step 4: Simplify right side
    3,160.20x = 10,023,382.61
  5. Step 5: Solve for x
    x = 10,023,382.61/3,160.20
  6. Step 6: Final answer
    x = 3,171.76

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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.