Home / 2,156.25-3,232.07-1,229.82

Finding the Fourth Proportional to 2,156.25, 3,232.07 and 1,229.82

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Solution

The fourth proportional to 2,156.25, 3,232.07 and 1,229.82 is: 1,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156.25 : 3,232.07 = 1,229.82 : x
  2. Step 2: Convert to fraction form
    2,156.25/3,232.07 = 1,229.82/x
  3. Step 3: Cross multiply
    2,156.25x = 3,232.07 × 1,229.82
  4. Step 4: Simplify right side
    2,156.25x = 3,974,850.67
  5. Step 5: Solve for x
    x = 3,974,850.67/2,156.25
  6. Step 6: Final answer
    x = 1,843.41

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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.