Home / 3,863.70-5,795.82-1,672.56

Finding the Fourth Proportional to 3,863.70, 5,795.82 and 1,672.56

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Solution

The fourth proportional to 3,863.70, 5,795.82 and 1,672.56 is: 2,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.70 : 5,795.82 = 1,672.56 : x
  2. Step 2: Convert to fraction form
    3,863.70/5,795.82 = 1,672.56/x
  3. Step 3: Cross multiply
    3,863.70x = 5,795.82 × 1,672.56
  4. Step 4: Simplify right side
    3,863.70x = 9,693,856.70
  5. Step 5: Solve for x
    x = 9,693,856.70/3,863.70
  6. Step 6: Final answer
    x = 2,508.96

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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.