Home / 2,728.48-4,112.68-2,494.76

Finding the Fourth Proportional to 2,728.48, 4,112.68 and 2,494.76

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Solution

The fourth proportional to 2,728.48, 4,112.68 and 2,494.76 is: 3,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.48 : 4,112.68 = 2,494.76 : x
  2. Step 2: Convert to fraction form
    2,728.48/4,112.68 = 2,494.76/x
  3. Step 3: Cross multiply
    2,728.48x = 4,112.68 × 2,494.76
  4. Step 4: Simplify right side
    2,728.48x = 10,260,149.56
  5. Step 5: Solve for x
    x = 10,260,149.56/2,728.48
  6. Step 6: Final answer
    x = 3,760.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.