Home / 3,961.43-5,467.16-2,389.49

Finding the Fourth Proportional to 3,961.43, 5,467.16 and 2,389.49

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Solution

The fourth proportional to 3,961.43, 5,467.16 and 2,389.49 is: 3,297.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.43 : 5,467.16 = 2,389.49 : x
  2. Step 2: Convert to fraction form
    3,961.43/5,467.16 = 2,389.49/x
  3. Step 3: Cross multiply
    3,961.43x = 5,467.16 × 2,389.49
  4. Step 4: Simplify right side
    3,961.43x = 13,063,724.15
  5. Step 5: Solve for x
    x = 13,063,724.15/3,961.43
  6. Step 6: Final answer
    x = 3,297.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.