Home / 3,382.11-5,072.98-1,190.85

Finding the Fourth Proportional to 3,382.11, 5,072.98 and 1,190.85

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Solution

The fourth proportional to 3,382.11, 5,072.98 and 1,190.85 is: 1,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.11 : 5,072.98 = 1,190.85 : x
  2. Step 2: Convert to fraction form
    3,382.11/5,072.98 = 1,190.85/x
  3. Step 3: Cross multiply
    3,382.11x = 5,072.98 × 1,190.85
  4. Step 4: Simplify right side
    3,382.11x = 6,041,158.23
  5. Step 5: Solve for x
    x = 6,041,158.23/3,382.11
  6. Step 6: Final answer
    x = 1,786.21

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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.