Home / 3,821.72-5,732.44-2,241.32

Finding the Fourth Proportional to 3,821.72, 5,732.44 and 2,241.32

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Solution

The fourth proportional to 3,821.72, 5,732.44 and 2,241.32 is: 3,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.72 : 5,732.44 = 2,241.32 : x
  2. Step 2: Convert to fraction form
    3,821.72/5,732.44 = 2,241.32/x
  3. Step 3: Cross multiply
    3,821.72x = 5,732.44 × 2,241.32
  4. Step 4: Simplify right side
    3,821.72x = 12,848,232.42
  5. Step 5: Solve for x
    x = 12,848,232.42/3,821.72
  6. Step 6: Final answer
    x = 3,361.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.