Home / 3,961.62-5,942.88-1,039.98

Finding the Fourth Proportional to 3,961.62, 5,942.88 and 1,039.98

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Solution

The fourth proportional to 3,961.62, 5,942.88 and 1,039.98 is: 1,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.62 : 5,942.88 = 1,039.98 : x
  2. Step 2: Convert to fraction form
    3,961.62/5,942.88 = 1,039.98/x
  3. Step 3: Cross multiply
    3,961.62x = 5,942.88 × 1,039.98
  4. Step 4: Simplify right side
    3,961.62x = 6,180,476.34
  5. Step 5: Solve for x
    x = 6,180,476.34/3,961.62
  6. Step 6: Final answer
    x = 1,560.09

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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.