Home / 3,961.86-5,467.34-2,193.43

Finding the Fourth Proportional to 3,961.86, 5,467.34 and 2,193.43

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Solution

The fourth proportional to 3,961.86, 5,467.34 and 2,193.43 is: 3,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.86 : 5,467.34 = 2,193.43 : x
  2. Step 2: Convert to fraction form
    3,961.86/5,467.34 = 2,193.43/x
  3. Step 3: Cross multiply
    3,961.86x = 5,467.34 × 2,193.43
  4. Step 4: Simplify right side
    3,961.86x = 11,992,227.58
  5. Step 5: Solve for x
    x = 11,992,227.58/3,961.86
  6. Step 6: Final answer
    x = 3,026.92

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1.5x scale

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.