Home / 3,247.50-4,481.55-2,005.50

Finding the Fourth Proportional to 3,247.50, 4,481.55 and 2,005.50

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Solution

The fourth proportional to 3,247.50, 4,481.55 and 2,005.50 is: 2,767.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.50 : 4,481.55 = 2,005.50 : x
  2. Step 2: Convert to fraction form
    3,247.50/4,481.55 = 2,005.50/x
  3. Step 3: Cross multiply
    3,247.50x = 4,481.55 × 2,005.50
  4. Step 4: Simplify right side
    3,247.50x = 8,987,748.53
  5. Step 5: Solve for x
    x = 8,987,748.53/3,247.50
  6. Step 6: Final answer
    x = 2,767.59

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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.