Home / 4,229.40-6,338.78-2,149.92

Finding the Fourth Proportional to 4,229.40, 6,338.78 and 2,149.92

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Solution

The fourth proportional to 4,229.40, 6,338.78 and 2,149.92 is: 3,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.40 : 6,338.78 = 2,149.92 : x
  2. Step 2: Convert to fraction form
    4,229.40/6,338.78 = 2,149.92/x
  3. Step 3: Cross multiply
    4,229.40x = 6,338.78 × 2,149.92
  4. Step 4: Simplify right side
    4,229.40x = 13,627,859.15
  5. Step 5: Solve for x
    x = 13,627,859.15/4,229.40
  6. Step 6: Final answer
    x = 3,222.17

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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.