Home / 3,906.44-5,391.15-2,577.84

Finding the Fourth Proportional to 3,906.44, 5,391.15 and 2,577.84

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Solution

The fourth proportional to 3,906.44, 5,391.15 and 2,577.84 is: 3,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906.44 : 5,391.15 = 2,577.84 : x
  2. Step 2: Convert to fraction form
    3,906.44/5,391.15 = 2,577.84/x
  3. Step 3: Cross multiply
    3,906.44x = 5,391.15 × 2,577.84
  4. Step 4: Simplify right side
    3,906.44x = 13,897,522.12
  5. Step 5: Solve for x
    x = 13,897,522.12/3,906.44
  6. Step 6: Final answer
    x = 3,557.59

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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.