Home / 3,175.11-4,754.46-2,190.96

Finding the Fourth Proportional to 3,175.11, 4,754.46 and 2,190.96

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Solution

The fourth proportional to 3,175.11, 4,754.46 and 2,190.96 is: 3,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.11 : 4,754.46 = 2,190.96 : x
  2. Step 2: Convert to fraction form
    3,175.11/4,754.46 = 2,190.96/x
  3. Step 3: Cross multiply
    3,175.11x = 4,754.46 × 2,190.96
  4. Step 4: Simplify right side
    3,175.11x = 10,416,831.68
  5. Step 5: Solve for x
    x = 10,416,831.68/3,175.11
  6. Step 6: Final answer
    x = 3,280.78

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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.