Home / 3,964.14-5,947.19-1,190.86

Finding the Fourth Proportional to 3,964.14, 5,947.19 and 1,190.86

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Solution

The fourth proportional to 3,964.14, 5,947.19 and 1,190.86 is: 1,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.14 : 5,947.19 = 1,190.86 : x
  2. Step 2: Convert to fraction form
    3,964.14/5,947.19 = 1,190.86/x
  3. Step 3: Cross multiply
    3,964.14x = 5,947.19 × 1,190.86
  4. Step 4: Simplify right side
    3,964.14x = 7,082,270.68
  5. Step 5: Solve for x
    x = 7,082,270.68/3,964.14
  6. Step 6: Final answer
    x = 1,786.58

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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.