Home / 3,890.60-5,828.34-1,944.44

Finding the Fourth Proportional to 3,890.60, 5,828.34 and 1,944.44

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Solution

The fourth proportional to 3,890.60, 5,828.34 and 1,944.44 is: 2,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.60 : 5,828.34 = 1,944.44 : x
  2. Step 2: Convert to fraction form
    3,890.60/5,828.34 = 1,944.44/x
  3. Step 3: Cross multiply
    3,890.60x = 5,828.34 × 1,944.44
  4. Step 4: Simplify right side
    3,890.60x = 11,332,857.43
  5. Step 5: Solve for x
    x = 11,332,857.43/3,890.60
  6. Step 6: Final answer
    x = 2,912.88

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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.