Home / 2,222.85-3,334.28-579.39

Finding the Fourth Proportional to 2,222.85, 3,334.28 and 579.39

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Solution

The fourth proportional to 2,222.85, 3,334.28 and 579.39 is: 869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.85 : 3,334.28 = 579.39 : x
  2. Step 2: Convert to fraction form
    2,222.85/3,334.28 = 579.39/x
  3. Step 3: Cross multiply
    2,222.85x = 3,334.28 × 579.39
  4. Step 4: Simplify right side
    2,222.85x = 1,931,864.48
  5. Step 5: Solve for x
    x = 1,931,864.48/2,222.85
  6. Step 6: Final answer
    x = 869.09

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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.