Home / 2,222.79-3,334.14-579.30

Finding the Fourth Proportional to 2,222.79, 3,334.14 and 579.30

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Solution

The fourth proportional to 2,222.79, 3,334.14 and 579.30 is: 868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.79 : 3,334.14 = 579.30 : x
  2. Step 2: Convert to fraction form
    2,222.79/3,334.14 = 579.30/x
  3. Step 3: Cross multiply
    2,222.79x = 3,334.14 × 579.30
  4. Step 4: Simplify right side
    2,222.79x = 1,931,467.30
  5. Step 5: Solve for x
    x = 1,931,467.30/2,222.79
  6. Step 6: Final answer
    x = 868.94

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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.