Home / 3,893.16-5,371.74-2,321.76

Finding the Fourth Proportional to 3,893.16, 5,371.74 and 2,321.76

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Solution

The fourth proportional to 3,893.16, 5,371.74 and 2,321.76 is: 3,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.16 : 5,371.74 = 2,321.76 : x
  2. Step 2: Convert to fraction form
    3,893.16/5,371.74 = 2,321.76/x
  3. Step 3: Cross multiply
    3,893.16x = 5,371.74 × 2,321.76
  4. Step 4: Simplify right side
    3,893.16x = 12,471,891.06
  5. Step 5: Solve for x
    x = 12,471,891.06/3,893.16
  6. Step 6: Final answer
    x = 3,203.54

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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.