Home / 2,679.62-4,010.92-2,577.56

Finding the Fourth Proportional to 2,679.62, 4,010.92 and 2,577.56

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Solution

The fourth proportional to 2,679.62, 4,010.92 and 2,577.56 is: 3,858.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.62 : 4,010.92 = 2,577.56 : x
  2. Step 2: Convert to fraction form
    2,679.62/4,010.92 = 2,577.56/x
  3. Step 3: Cross multiply
    2,679.62x = 4,010.92 × 2,577.56
  4. Step 4: Simplify right side
    2,679.62x = 10,338,360.46
  5. Step 5: Solve for x
    x = 10,338,360.46/2,679.62
  6. Step 6: Final answer
    x = 3,858.15

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1.5x scale

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.