Home / 3,963.42-5,942.69-1,769.13

Finding the Fourth Proportional to 3,963.42, 5,942.69 and 1,769.13

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Solution

The fourth proportional to 3,963.42, 5,942.69 and 1,769.13 is: 2,652.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.42 : 5,942.69 = 1,769.13 : x
  2. Step 2: Convert to fraction form
    3,963.42/5,942.69 = 1,769.13/x
  3. Step 3: Cross multiply
    3,963.42x = 5,942.69 × 1,769.13
  4. Step 4: Simplify right side
    3,963.42x = 10,513,391.16
  5. Step 5: Solve for x
    x = 10,513,391.16/3,963.42
  6. Step 6: Final answer
    x = 2,652.61

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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.