Home / 3,581.44-5,367.30-2,660.47

Finding the Fourth Proportional to 3,581.44, 5,367.30 and 2,660.47

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Solution

The fourth proportional to 3,581.44, 5,367.30 and 2,660.47 is: 3,987.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.44 : 5,367.30 = 2,660.47 : x
  2. Step 2: Convert to fraction form
    3,581.44/5,367.30 = 2,660.47/x
  3. Step 3: Cross multiply
    3,581.44x = 5,367.30 × 2,660.47
  4. Step 4: Simplify right side
    3,581.44x = 14,279,540.63
  5. Step 5: Solve for x
    x = 14,279,540.63/3,581.44
  6. Step 6: Final answer
    x = 3,987.09

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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.