Home / 3,265.78-4,508.24-1,939.91

Finding the Fourth Proportional to 3,265.78, 4,508.24 and 1,939.91

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Solution

The fourth proportional to 3,265.78, 4,508.24 and 1,939.91 is: 2,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.78 : 4,508.24 = 1,939.91 : x
  2. Step 2: Convert to fraction form
    3,265.78/4,508.24 = 1,939.91/x
  3. Step 3: Cross multiply
    3,265.78x = 4,508.24 × 1,939.91
  4. Step 4: Simplify right side
    3,265.78x = 8,745,579.86
  5. Step 5: Solve for x
    x = 8,745,579.86/3,265.78
  6. Step 6: Final answer
    x = 2,677.95

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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.