Home / 3,933.92-5,431.62-2,443.88

Finding the Fourth Proportional to 3,933.92, 5,431.62 and 2,443.88

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Solution

The fourth proportional to 3,933.92, 5,431.62 and 2,443.88 is: 3,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.92 : 5,431.62 = 2,443.88 : x
  2. Step 2: Convert to fraction form
    3,933.92/5,431.62 = 2,443.88/x
  3. Step 3: Cross multiply
    3,933.92x = 5,431.62 × 2,443.88
  4. Step 4: Simplify right side
    3,933.92x = 13,274,227.49
  5. Step 5: Solve for x
    x = 13,274,227.49/3,933.92
  6. Step 6: Final answer
    x = 3,374.30

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1.5x scale

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.