Home / 3,911.20-5,867.44-1,601.44

Finding the Fourth Proportional to 3,911.20, 5,867.44 and 1,601.44

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Solution

The fourth proportional to 3,911.20, 5,867.44 and 1,601.44 is: 2,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.20 : 5,867.44 = 1,601.44 : x
  2. Step 2: Convert to fraction form
    3,911.20/5,867.44 = 1,601.44/x
  3. Step 3: Cross multiply
    3,911.20x = 5,867.44 × 1,601.44
  4. Step 4: Simplify right side
    3,911.20x = 9,396,353.11
  5. Step 5: Solve for x
    x = 9,396,353.11/3,911.20
  6. Step 6: Final answer
    x = 2,402.42

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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.