Home / 3,946.33-5,911.01-1,863.21

Finding the Fourth Proportional to 3,946.33, 5,911.01 and 1,863.21

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Solution

The fourth proportional to 3,946.33, 5,911.01 and 1,863.21 is: 2,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.33 : 5,911.01 = 1,863.21 : x
  2. Step 2: Convert to fraction form
    3,946.33/5,911.01 = 1,863.21/x
  3. Step 3: Cross multiply
    3,946.33x = 5,911.01 × 1,863.21
  4. Step 4: Simplify right side
    3,946.33x = 11,013,452.94
  5. Step 5: Solve for x
    x = 11,013,452.94/3,946.33
  6. Step 6: Final answer
    x = 2,790.81

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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.