Home / 2,207.27-3,310.91-563.78

Finding the Fourth Proportional to 2,207.27, 3,310.91 and 563.78

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Solution

The fourth proportional to 2,207.27, 3,310.91 and 563.78 is: 845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.27 : 3,310.91 = 563.78 : x
  2. Step 2: Convert to fraction form
    2,207.27/3,310.91 = 563.78/x
  3. Step 3: Cross multiply
    2,207.27x = 3,310.91 × 563.78
  4. Step 4: Simplify right side
    2,207.27x = 1,866,605.47
  5. Step 5: Solve for x
    x = 1,866,605.47/2,207.27
  6. Step 6: Final answer
    x = 845.66

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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.