Home / 3,964.81-5,946.99-1,191.43

Finding the Fourth Proportional to 3,964.81, 5,946.99 and 1,191.43

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Solution

The fourth proportional to 3,964.81, 5,946.99 and 1,191.43 is: 1,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.81 : 5,946.99 = 1,191.43 : x
  2. Step 2: Convert to fraction form
    3,964.81/5,946.99 = 1,191.43/x
  3. Step 3: Cross multiply
    3,964.81x = 5,946.99 × 1,191.43
  4. Step 4: Simplify right side
    3,964.81x = 7,085,392.56
  5. Step 5: Solve for x
    x = 7,085,392.56/3,964.81
  6. Step 6: Final answer
    x = 1,787.07

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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.