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Finding the Fourth Proportional to 2,879.08, 4,318.48 and 799.07

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Solution

The fourth proportional to 2,879.08, 4,318.48 and 799.07 is: 1,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.08 : 4,318.48 = 799.07 : x
  2. Step 2: Convert to fraction form
    2,879.08/4,318.48 = 799.07/x
  3. Step 3: Cross multiply
    2,879.08x = 4,318.48 × 799.07
  4. Step 4: Simplify right side
    2,879.08x = 3,450,747.22
  5. Step 5: Solve for x
    x = 3,450,747.22/2,879.08
  6. Step 6: Final answer
    x = 1,198.56

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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.