Home / 3,387.44-5,077.26-1,306.41

Finding the Fourth Proportional to 3,387.44, 5,077.26 and 1,306.41

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Solution

The fourth proportional to 3,387.44, 5,077.26 and 1,306.41 is: 1,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.44 : 5,077.26 = 1,306.41 : x
  2. Step 2: Convert to fraction form
    3,387.44/5,077.26 = 1,306.41/x
  3. Step 3: Cross multiply
    3,387.44x = 5,077.26 × 1,306.41
  4. Step 4: Simplify right side
    3,387.44x = 6,632,983.24
  5. Step 5: Solve for x
    x = 6,632,983.24/3,387.44
  6. Step 6: Final answer
    x = 1,958.11

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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.