Home / 3,824.92-5,278.26-2,168.92

Finding the Fourth Proportional to 3,824.92, 5,278.26 and 2,168.92

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Solution

The fourth proportional to 3,824.92, 5,278.26 and 2,168.92 is: 2,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.92 : 5,278.26 = 2,168.92 : x
  2. Step 2: Convert to fraction form
    3,824.92/5,278.26 = 2,168.92/x
  3. Step 3: Cross multiply
    3,824.92x = 5,278.26 × 2,168.92
  4. Step 4: Simplify right side
    3,824.92x = 11,448,123.68
  5. Step 5: Solve for x
    x = 11,448,123.68/3,824.92
  6. Step 6: Final answer
    x = 2,993.04

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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.