Home / 3,291.82-4,924.96-2,101.92

Finding the Fourth Proportional to 3,291.82, 4,924.96 and 2,101.92

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Solution

The fourth proportional to 3,291.82, 4,924.96 and 2,101.92 is: 3,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.82 : 4,924.96 = 2,101.92 : x
  2. Step 2: Convert to fraction form
    3,291.82/4,924.96 = 2,101.92/x
  3. Step 3: Cross multiply
    3,291.82x = 4,924.96 × 2,101.92
  4. Step 4: Simplify right side
    3,291.82x = 10,351,871.92
  5. Step 5: Solve for x
    x = 10,351,871.92/3,291.82
  6. Step 6: Final answer
    x = 3,144.73

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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.