Home / 3,843.19-5,757.22-2,870.11

Finding the Fourth Proportional to 3,843.19, 5,757.22 and 2,870.11

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Solution

The fourth proportional to 3,843.19, 5,757.22 and 2,870.11 is: 4,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.19 : 5,757.22 = 2,870.11 : x
  2. Step 2: Convert to fraction form
    3,843.19/5,757.22 = 2,870.11/x
  3. Step 3: Cross multiply
    3,843.19x = 5,757.22 × 2,870.11
  4. Step 4: Simplify right side
    3,843.19x = 16,523,811.56
  5. Step 5: Solve for x
    x = 16,523,811.56/3,843.19
  6. Step 6: Final answer
    x = 4,299.51

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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.