Home / 3,964.53-5,946.79-1,191.22

Finding the Fourth Proportional to 3,964.53, 5,946.79 and 1,191.22

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Solution

The fourth proportional to 3,964.53, 5,946.79 and 1,191.22 is: 1,786.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.53 : 5,946.79 = 1,191.22 : x
  2. Step 2: Convert to fraction form
    3,964.53/5,946.79 = 1,191.22/x
  3. Step 3: Cross multiply
    3,964.53x = 5,946.79 × 1,191.22
  4. Step 4: Simplify right side
    3,964.53x = 7,083,935.18
  5. Step 5: Solve for x
    x = 7,083,935.18/3,964.53
  6. Step 6: Final answer
    x = 1,786.83

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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.