Home / 3,254.90-4,872.62-2,215.94

Finding the Fourth Proportional to 3,254.90, 4,872.62 and 2,215.94

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Solution

The fourth proportional to 3,254.90, 4,872.62 and 2,215.94 is: 3,317.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.90 : 4,872.62 = 2,215.94 : x
  2. Step 2: Convert to fraction form
    3,254.90/4,872.62 = 2,215.94/x
  3. Step 3: Cross multiply
    3,254.90x = 4,872.62 × 2,215.94
  4. Step 4: Simplify right side
    3,254.90x = 10,797,414.74
  5. Step 5: Solve for x
    x = 10,797,414.74/3,254.90
  6. Step 6: Final answer
    x = 3,317.29

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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.