Home / 3,861.75-5,329.26-2,093.36

Finding the Fourth Proportional to 3,861.75, 5,329.26 and 2,093.36

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Solution

The fourth proportional to 3,861.75, 5,329.26 and 2,093.36 is: 2,888.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.75 : 5,329.26 = 2,093.36 : x
  2. Step 2: Convert to fraction form
    3,861.75/5,329.26 = 2,093.36/x
  3. Step 3: Cross multiply
    3,861.75x = 5,329.26 × 2,093.36
  4. Step 4: Simplify right side
    3,861.75x = 11,156,073.04
  5. Step 5: Solve for x
    x = 11,156,073.04/3,861.75
  6. Step 6: Final answer
    x = 2,888.86

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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.