Home / 3,381.83-5,073.68-1,408.38

Finding the Fourth Proportional to 3,381.83, 5,073.68 and 1,408.38

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Solution

The fourth proportional to 3,381.83, 5,073.68 and 1,408.38 is: 2,112.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.83 : 5,073.68 = 1,408.38 : x
  2. Step 2: Convert to fraction form
    3,381.83/5,073.68 = 1,408.38/x
  3. Step 3: Cross multiply
    3,381.83x = 5,073.68 × 1,408.38
  4. Step 4: Simplify right side
    3,381.83x = 7,145,683.18
  5. Step 5: Solve for x
    x = 7,145,683.18/3,381.83
  6. Step 6: Final answer
    x = 2,112.97

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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.