Home / 2,222.66-3,334.11-579.21

Finding the Fourth Proportional to 2,222.66, 3,334.11 and 579.21

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Solution

The fourth proportional to 2,222.66, 3,334.11 and 579.21 is: 868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.66 : 3,334.11 = 579.21 : x
  2. Step 2: Convert to fraction form
    2,222.66/3,334.11 = 579.21/x
  3. Step 3: Cross multiply
    2,222.66x = 3,334.11 × 579.21
  4. Step 4: Simplify right side
    2,222.66x = 1,931,149.85
  5. Step 5: Solve for x
    x = 1,931,149.85/2,222.66
  6. Step 6: Final answer
    x = 868.85

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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.