Home / 3,936.85-5,905.38-1,597.96

Finding the Fourth Proportional to 3,936.85, 5,905.38 and 1,597.96

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Solution

The fourth proportional to 3,936.85, 5,905.38 and 1,597.96 is: 2,396.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.85 : 5,905.38 = 1,597.96 : x
  2. Step 2: Convert to fraction form
    3,936.85/5,905.38 = 1,597.96/x
  3. Step 3: Cross multiply
    3,936.85x = 5,905.38 × 1,597.96
  4. Step 4: Simplify right side
    3,936.85x = 9,436,561.02
  5. Step 5: Solve for x
    x = 9,436,561.02/3,936.85
  6. Step 6: Final answer
    x = 2,396.98

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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.