Home / 3,940.26-5,909.76-2,563.38

Finding the Fourth Proportional to 3,940.26, 5,909.76 and 2,563.38

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Solution

The fourth proportional to 3,940.26, 5,909.76 and 2,563.38 is: 3,844.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.26 : 5,909.76 = 2,563.38 : x
  2. Step 2: Convert to fraction form
    3,940.26/5,909.76 = 2,563.38/x
  3. Step 3: Cross multiply
    3,940.26x = 5,909.76 × 2,563.38
  4. Step 4: Simplify right side
    3,940.26x = 15,148,960.59
  5. Step 5: Solve for x
    x = 15,148,960.59/3,940.26
  6. Step 6: Final answer
    x = 3,844.66

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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.