Home / 3,961.94-5,467.79-2,193.71

Finding the Fourth Proportional to 3,961.94, 5,467.79 and 2,193.71

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Solution

The fourth proportional to 3,961.94, 5,467.79 and 2,193.71 is: 3,027.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.94 : 5,467.79 = 2,193.71 : x
  2. Step 2: Convert to fraction form
    3,961.94/5,467.79 = 2,193.71/x
  3. Step 3: Cross multiply
    3,961.94x = 5,467.79 × 2,193.71
  4. Step 4: Simplify right side
    3,961.94x = 11,994,734.63
  5. Step 5: Solve for x
    x = 11,994,734.63/3,961.94
  6. Step 6: Final answer
    x = 3,027.49

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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.