Home / 2,748.11-4,122.30-800.46

Finding the Fourth Proportional to 2,748.11, 4,122.30 and 800.46

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Solution

The fourth proportional to 2,748.11, 4,122.30 and 800.46 is: 1,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.11 : 4,122.30 = 800.46 : x
  2. Step 2: Convert to fraction form
    2,748.11/4,122.30 = 800.46/x
  3. Step 3: Cross multiply
    2,748.11x = 4,122.30 × 800.46
  4. Step 4: Simplify right side
    2,748.11x = 3,299,736.26
  5. Step 5: Solve for x
    x = 3,299,736.26/2,748.11
  6. Step 6: Final answer
    x = 1,200.73

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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.