Home / 3,894.11-5,372.88-2,381.27

Finding the Fourth Proportional to 3,894.11, 5,372.88 and 2,381.27

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Solution

The fourth proportional to 3,894.11, 5,372.88 and 2,381.27 is: 3,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.11 : 5,372.88 = 2,381.27 : x
  2. Step 2: Convert to fraction form
    3,894.11/5,372.88 = 2,381.27/x
  3. Step 3: Cross multiply
    3,894.11x = 5,372.88 × 2,381.27
  4. Step 4: Simplify right side
    3,894.11x = 12,794,277.96
  5. Step 5: Solve for x
    x = 12,794,277.96/3,894.11
  6. Step 6: Final answer
    x = 3,285.55

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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.