Home / 2,608.11-3,910.41-1,374.21

Finding the Fourth Proportional to 2,608.11, 3,910.41 and 1,374.21

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Solution

The fourth proportional to 2,608.11, 3,910.41 and 1,374.21 is: 2,060.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.11 : 3,910.41 = 1,374.21 : x
  2. Step 2: Convert to fraction form
    2,608.11/3,910.41 = 1,374.21/x
  3. Step 3: Cross multiply
    2,608.11x = 3,910.41 × 1,374.21
  4. Step 4: Simplify right side
    2,608.11x = 5,373,724.53
  5. Step 5: Solve for x
    x = 5,373,724.53/2,608.11
  6. Step 6: Final answer
    x = 2,060.39

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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.