Home / 3,134.26-4,701.32-825.76

Finding the Fourth Proportional to 3,134.26, 4,701.32 and 825.76

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Solution

The fourth proportional to 3,134.26, 4,701.32 and 825.76 is: 1,238.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.26 : 4,701.32 = 825.76 : x
  2. Step 2: Convert to fraction form
    3,134.26/4,701.32 = 825.76/x
  3. Step 3: Cross multiply
    3,134.26x = 4,701.32 × 825.76
  4. Step 4: Simplify right side
    3,134.26x = 3,882,134.37
  5. Step 5: Solve for x
    x = 3,882,134.37/3,134.26
  6. Step 6: Final answer
    x = 1,238.61

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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.