Home / 3,422.73-5,137.64-2,107.43

Finding the Fourth Proportional to 3,422.73, 5,137.64 and 2,107.43

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Solution

The fourth proportional to 3,422.73, 5,137.64 and 2,107.43 is: 3,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.73 : 5,137.64 = 2,107.43 : x
  2. Step 2: Convert to fraction form
    3,422.73/5,137.64 = 2,107.43/x
  3. Step 3: Cross multiply
    3,422.73x = 5,137.64 × 2,107.43
  4. Step 4: Simplify right side
    3,422.73x = 10,827,216.67
  5. Step 5: Solve for x
    x = 10,827,216.67/3,422.73
  6. Step 6: Final answer
    x = 3,163.33

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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.