Home / 3,893.80-5,373.44-2,321.96

Finding the Fourth Proportional to 3,893.80, 5,373.44 and 2,321.96

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Solution

The fourth proportional to 3,893.80, 5,373.44 and 2,321.96 is: 3,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.80 : 5,373.44 = 2,321.96 : x
  2. Step 2: Convert to fraction form
    3,893.80/5,373.44 = 2,321.96/x
  3. Step 3: Cross multiply
    3,893.80x = 5,373.44 × 2,321.96
  4. Step 4: Simplify right side
    3,893.80x = 12,476,912.74
  5. Step 5: Solve for x
    x = 12,476,912.74/3,893.80
  6. Step 6: Final answer
    x = 3,204.30

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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.