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Finding the Fourth Proportional to 2,707.93, 4,061.92 and 1,147.74

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Solution

The fourth proportional to 2,707.93, 4,061.92 and 1,147.74 is: 1,721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.93 : 4,061.92 = 1,147.74 : x
  2. Step 2: Convert to fraction form
    2,707.93/4,061.92 = 1,147.74/x
  3. Step 3: Cross multiply
    2,707.93x = 4,061.92 × 1,147.74
  4. Step 4: Simplify right side
    2,707.93x = 4,662,007.75
  5. Step 5: Solve for x
    x = 4,662,007.75/2,707.93
  6. Step 6: Final answer
    x = 1,721.61

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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.