Home / 2,222.24-3,333.42-578.79

Finding the Fourth Proportional to 2,222.24, 3,333.42 and 578.79

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Solution

The fourth proportional to 2,222.24, 3,333.42 and 578.79 is: 868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.24 : 3,333.42 = 578.79 : x
  2. Step 2: Convert to fraction form
    2,222.24/3,333.42 = 578.79/x
  3. Step 3: Cross multiply
    2,222.24x = 3,333.42 × 578.79
  4. Step 4: Simplify right side
    2,222.24x = 1,929,350.16
  5. Step 5: Solve for x
    x = 1,929,350.16/2,222.24
  6. Step 6: Final answer
    x = 868.20

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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.