Home / 2,223.42-3,335.09-579.93

Finding the Fourth Proportional to 2,223.42, 3,335.09 and 579.93

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Solution

The fourth proportional to 2,223.42, 3,335.09 and 579.93 is: 869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.42 : 3,335.09 = 579.93 : x
  2. Step 2: Convert to fraction form
    2,223.42/3,335.09 = 579.93/x
  3. Step 3: Cross multiply
    2,223.42x = 3,335.09 × 579.93
  4. Step 4: Simplify right side
    2,223.42x = 1,934,115.84
  5. Step 5: Solve for x
    x = 1,934,115.84/2,223.42
  6. Step 6: Final answer
    x = 869.88

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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.