Home / 2,726.78-4,096.24-1,687.54

Finding the Fourth Proportional to 2,726.78, 4,096.24 and 1,687.54

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Solution

The fourth proportional to 2,726.78, 4,096.24 and 1,687.54 is: 2,535.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.78 : 4,096.24 = 1,687.54 : x
  2. Step 2: Convert to fraction form
    2,726.78/4,096.24 = 1,687.54/x
  3. Step 3: Cross multiply
    2,726.78x = 4,096.24 × 1,687.54
  4. Step 4: Simplify right side
    2,726.78x = 6,912,568.85
  5. Step 5: Solve for x
    x = 6,912,568.85/2,726.78
  6. Step 6: Final answer
    x = 2,535.07

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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.