Home / 3,134.36-4,325.13-1,789.95

Finding the Fourth Proportional to 3,134.36, 4,325.13 and 1,789.95

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Solution

The fourth proportional to 3,134.36, 4,325.13 and 1,789.95 is: 2,469.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.36 : 4,325.13 = 1,789.95 : x
  2. Step 2: Convert to fraction form
    3,134.36/4,325.13 = 1,789.95/x
  3. Step 3: Cross multiply
    3,134.36x = 4,325.13 × 1,789.95
  4. Step 4: Simplify right side
    3,134.36x = 7,741,766.44
  5. Step 5: Solve for x
    x = 7,741,766.44/3,134.36
  6. Step 6: Final answer
    x = 2,469.97

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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.