Home / 3,964.93-5,947.69-1,191.38

Finding the Fourth Proportional to 3,964.93, 5,947.69 and 1,191.38

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Solution

The fourth proportional to 3,964.93, 5,947.69 and 1,191.38 is: 1,787.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.93 : 5,947.69 = 1,191.38 : x
  2. Step 2: Convert to fraction form
    3,964.93/5,947.69 = 1,191.38/x
  3. Step 3: Cross multiply
    3,964.93x = 5,947.69 × 1,191.38
  4. Step 4: Simplify right side
    3,964.93x = 7,085,958.91
  5. Step 5: Solve for x
    x = 7,085,958.91/3,964.93
  6. Step 6: Final answer
    x = 1,787.16

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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.