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Finding the Fourth Proportional to 2,795.87, 3,857.99 and 1,676.86

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Solution

The fourth proportional to 2,795.87, 3,857.99 and 1,676.86 is: 2,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.87 : 3,857.99 = 1,676.86 : x
  2. Step 2: Convert to fraction form
    2,795.87/3,857.99 = 1,676.86/x
  3. Step 3: Cross multiply
    2,795.87x = 3,857.99 × 1,676.86
  4. Step 4: Simplify right side
    2,795.87x = 6,469,303.66
  5. Step 5: Solve for x
    x = 6,469,303.66/2,795.87
  6. Step 6: Final answer
    x = 2,313.88

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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.