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Finding the Fourth Proportional to 2,757.96, 3,806.31 and 1,579.41

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Solution

The fourth proportional to 2,757.96, 3,806.31 and 1,579.41 is: 2,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.96 : 3,806.31 = 1,579.41 : x
  2. Step 2: Convert to fraction form
    2,757.96/3,806.31 = 1,579.41/x
  3. Step 3: Cross multiply
    2,757.96x = 3,806.31 × 1,579.41
  4. Step 4: Simplify right side
    2,757.96x = 6,011,724.08
  5. Step 5: Solve for x
    x = 6,011,724.08/2,757.96
  6. Step 6: Final answer
    x = 2,179.77

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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.