Home / 3,882.60-5,816.34-1,936.44

Finding the Fourth Proportional to 3,882.60, 5,816.34 and 1,936.44

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Solution

The fourth proportional to 3,882.60, 5,816.34 and 1,936.44 is: 2,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.60 : 5,816.34 = 1,936.44 : x
  2. Step 2: Convert to fraction form
    3,882.60/5,816.34 = 1,936.44/x
  3. Step 3: Cross multiply
    3,882.60x = 5,816.34 × 1,936.44
  4. Step 4: Simplify right side
    3,882.60x = 11,262,993.43
  5. Step 5: Solve for x
    x = 11,262,993.43/3,882.60
  6. Step 6: Final answer
    x = 2,900.89

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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.