Home / 3,408.82-5,105.03-1,943.53

Finding the Fourth Proportional to 3,408.82, 5,105.03 and 1,943.53

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Solution

The fourth proportional to 3,408.82, 5,105.03 and 1,943.53 is: 2,910.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.82 : 5,105.03 = 1,943.53 : x
  2. Step 2: Convert to fraction form
    3,408.82/5,105.03 = 1,943.53/x
  3. Step 3: Cross multiply
    3,408.82x = 5,105.03 × 1,943.53
  4. Step 4: Simplify right side
    3,408.82x = 9,921,756.48
  5. Step 5: Solve for x
    x = 9,921,756.48/3,408.82
  6. Step 6: Final answer
    x = 2,910.62

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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.