Home / 3,292.68-4,546.94-2,115.80

Finding the Fourth Proportional to 3,292.68, 4,546.94 and 2,115.80

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Solution

The fourth proportional to 3,292.68, 4,546.94 and 2,115.80 is: 2,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.68 : 4,546.94 = 2,115.80 : x
  2. Step 2: Convert to fraction form
    3,292.68/4,546.94 = 2,115.80/x
  3. Step 3: Cross multiply
    3,292.68x = 4,546.94 × 2,115.80
  4. Step 4: Simplify right side
    3,292.68x = 9,620,424.97
  5. Step 5: Solve for x
    x = 9,620,424.97/3,292.68
  6. Step 6: Final answer
    x = 2,921.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.