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Finding the Fourth Proportional to 2,707, 3,736.62 and 1,879.48

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Solution

The fourth proportional to 2,707, 3,736.62 and 1,879.48 is: 2,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707 : 3,736.62 = 1,879.48 : x
  2. Step 2: Convert to fraction form
    2,707/3,736.62 = 1,879.48/x
  3. Step 3: Cross multiply
    2,707x = 3,736.62 × 1,879.48
  4. Step 4: Simplify right side
    2,707x = 7,022,902.56
  5. Step 5: Solve for x
    x = 7,022,902.56/2,707
  6. Step 6: Final answer
    x = 2,594.35

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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.