Home / 3,964.38-5,945.55-1,190.34

Finding the Fourth Proportional to 3,964.38, 5,945.55 and 1,190.34

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Solution

The fourth proportional to 3,964.38, 5,945.55 and 1,190.34 is: 1,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.38 : 5,945.55 = 1,190.34 : x
  2. Step 2: Convert to fraction form
    3,964.38/5,945.55 = 1,190.34/x
  3. Step 3: Cross multiply
    3,964.38x = 5,945.55 × 1,190.34
  4. Step 4: Simplify right side
    3,964.38x = 7,077,225.99
  5. Step 5: Solve for x
    x = 7,077,225.99/3,964.38
  6. Step 6: Final answer
    x = 1,785.20

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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.