Home / 3,165.92-4,369.20-1,749.72

Finding the Fourth Proportional to 3,165.92, 4,369.20 and 1,749.72

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Solution

The fourth proportional to 3,165.92, 4,369.20 and 1,749.72 is: 2,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.92 : 4,369.20 = 1,749.72 : x
  2. Step 2: Convert to fraction form
    3,165.92/4,369.20 = 1,749.72/x
  3. Step 3: Cross multiply
    3,165.92x = 4,369.20 × 1,749.72
  4. Step 4: Simplify right side
    3,165.92x = 7,644,876.62
  5. Step 5: Solve for x
    x = 7,644,876.62/3,165.92
  6. Step 6: Final answer
    x = 2,414.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.