Home / 2,605.20-3,581.31-2,244.96

Finding the Fourth Proportional to 2,605.20, 3,581.31 and 2,244.96

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Solution

The fourth proportional to 2,605.20, 3,581.31 and 2,244.96 is: 3,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.20 : 3,581.31 = 2,244.96 : x
  2. Step 2: Convert to fraction form
    2,605.20/3,581.31 = 2,244.96/x
  3. Step 3: Cross multiply
    2,605.20x = 3,581.31 × 2,244.96
  4. Step 4: Simplify right side
    2,605.20x = 8,039,897.70
  5. Step 5: Solve for x
    x = 8,039,897.70/2,605.20
  6. Step 6: Final answer
    x = 3,086.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.