Home / 2,211.10-3,316.68-567.61

Finding the Fourth Proportional to 2,211.10, 3,316.68 and 567.61

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Solution

The fourth proportional to 2,211.10, 3,316.68 and 567.61 is: 851.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.10 : 3,316.68 = 567.61 : x
  2. Step 2: Convert to fraction form
    2,211.10/3,316.68 = 567.61/x
  3. Step 3: Cross multiply
    2,211.10x = 3,316.68 × 567.61
  4. Step 4: Simplify right side
    2,211.10x = 1,882,572.44
  5. Step 5: Solve for x
    x = 1,882,572.44/2,211.10
  6. Step 6: Final answer
    x = 851.42

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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.