Home / 2,891.27-4,331.10-2,010.80

Finding the Fourth Proportional to 2,891.27, 4,331.10 and 2,010.80

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Solution

The fourth proportional to 2,891.27, 4,331.10 and 2,010.80 is: 3,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.27 : 4,331.10 = 2,010.80 : x
  2. Step 2: Convert to fraction form
    2,891.27/4,331.10 = 2,010.80/x
  3. Step 3: Cross multiply
    2,891.27x = 4,331.10 × 2,010.80
  4. Step 4: Simplify right side
    2,891.27x = 8,708,975.88
  5. Step 5: Solve for x
    x = 8,708,975.88/2,891.27
  6. Step 6: Final answer
    x = 3,012.16

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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.