Home / 3,382.34-5,074.11-1,190.75

Finding the Fourth Proportional to 3,382.34, 5,074.11 and 1,190.75

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Solution

The fourth proportional to 3,382.34, 5,074.11 and 1,190.75 is: 1,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.34 : 5,074.11 = 1,190.75 : x
  2. Step 2: Convert to fraction form
    3,382.34/5,074.11 = 1,190.75/x
  3. Step 3: Cross multiply
    3,382.34x = 5,074.11 × 1,190.75
  4. Step 4: Simplify right side
    3,382.34x = 6,041,971.11
  5. Step 5: Solve for x
    x = 6,041,971.11/3,382.34
  6. Step 6: Final answer
    x = 1,786.33

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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.