Home / 3,254.73-4,872.84-2,156.91

Finding the Fourth Proportional to 3,254.73, 4,872.84 and 2,156.91

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Solution

The fourth proportional to 3,254.73, 4,872.84 and 2,156.91 is: 3,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.73 : 4,872.84 = 2,156.91 : x
  2. Step 2: Convert to fraction form
    3,254.73/4,872.84 = 2,156.91/x
  3. Step 3: Cross multiply
    3,254.73x = 4,872.84 × 2,156.91
  4. Step 4: Simplify right side
    3,254.73x = 10,510,277.32
  5. Step 5: Solve for x
    x = 10,510,277.32/3,254.73
  6. Step 6: Final answer
    x = 3,229.23

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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.