Home / 3,825.92-5,741.08-2,161.36

Finding the Fourth Proportional to 3,825.92, 5,741.08 and 2,161.36

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Solution

The fourth proportional to 3,825.92, 5,741.08 and 2,161.36 is: 3,243.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.92 : 5,741.08 = 2,161.36 : x
  2. Step 2: Convert to fraction form
    3,825.92/5,741.08 = 2,161.36/x
  3. Step 3: Cross multiply
    3,825.92x = 5,741.08 × 2,161.36
  4. Step 4: Simplify right side
    3,825.92x = 12,408,540.67
  5. Step 5: Solve for x
    x = 12,408,540.67/3,825.92
  6. Step 6: Final answer
    x = 3,243.28

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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.