Home / 2,922.68-4,029.41-2,251.55

Finding the Fourth Proportional to 2,922.68, 4,029.41 and 2,251.55

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Solution

The fourth proportional to 2,922.68, 4,029.41 and 2,251.55 is: 3,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.68 : 4,029.41 = 2,251.55 : x
  2. Step 2: Convert to fraction form
    2,922.68/4,029.41 = 2,251.55/x
  3. Step 3: Cross multiply
    2,922.68x = 4,029.41 × 2,251.55
  4. Step 4: Simplify right side
    2,922.68x = 9,072,433.79
  5. Step 5: Solve for x
    x = 9,072,433.79/2,922.68
  6. Step 6: Final answer
    x = 3,104.15

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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.