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Finding the Fourth Proportional to 3,287.92, 4,536.92 and 1,943.37

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Solution

The fourth proportional to 3,287.92, 4,536.92 and 1,943.37 is: 2,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.92 : 4,536.92 = 1,943.37 : x
  2. Step 2: Convert to fraction form
    3,287.92/4,536.92 = 1,943.37/x
  3. Step 3: Cross multiply
    3,287.92x = 4,536.92 × 1,943.37
  4. Step 4: Simplify right side
    3,287.92x = 8,816,914.22
  5. Step 5: Solve for x
    x = 8,816,914.22/3,287.92
  6. Step 6: Final answer
    x = 2,681.61

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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.