Home / 3,144.22-4,339.20-1,727.98

Finding the Fourth Proportional to 3,144.22, 4,339.20 and 1,727.98

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Solution

The fourth proportional to 3,144.22, 4,339.20 and 1,727.98 is: 2,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.22 : 4,339.20 = 1,727.98 : x
  2. Step 2: Convert to fraction form
    3,144.22/4,339.20 = 1,727.98/x
  3. Step 3: Cross multiply
    3,144.22x = 4,339.20 × 1,727.98
  4. Step 4: Simplify right side
    3,144.22x = 7,498,050.82
  5. Step 5: Solve for x
    x = 7,498,050.82/3,144.22
  6. Step 6: Final answer
    x = 2,384.71

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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.