Home / 2,540.28-3,494.58-2,240.04

Finding the Fourth Proportional to 2,540.28, 3,494.58 and 2,240.04

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Solution

The fourth proportional to 2,540.28, 3,494.58 and 2,240.04 is: 3,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.28 : 3,494.58 = 2,240.04 : x
  2. Step 2: Convert to fraction form
    2,540.28/3,494.58 = 2,240.04/x
  3. Step 3: Cross multiply
    2,540.28x = 3,494.58 × 2,240.04
  4. Step 4: Simplify right side
    2,540.28x = 7,827,998.98
  5. Step 5: Solve for x
    x = 7,827,998.98/2,540.28
  6. Step 6: Final answer
    x = 3,081.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.