Home / 3,387.69-5,083.09-1,743.39

Finding the Fourth Proportional to 3,387.69, 5,083.09 and 1,743.39

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Solution

The fourth proportional to 3,387.69, 5,083.09 and 1,743.39 is: 2,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.69 : 5,083.09 = 1,743.39 : x
  2. Step 2: Convert to fraction form
    3,387.69/5,083.09 = 1,743.39/x
  3. Step 3: Cross multiply
    3,387.69x = 5,083.09 × 1,743.39
  4. Step 4: Simplify right side
    3,387.69x = 8,861,803.92
  5. Step 5: Solve for x
    x = 8,861,803.92/3,387.69
  6. Step 6: Final answer
    x = 2,615.88

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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.