Home / 3,790.03-5,229.97-2,111.31

Finding the Fourth Proportional to 3,790.03, 5,229.97 and 2,111.31

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Solution

The fourth proportional to 3,790.03, 5,229.97 and 2,111.31 is: 2,913.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.03 : 5,229.97 = 2,111.31 : x
  2. Step 2: Convert to fraction form
    3,790.03/5,229.97 = 2,111.31/x
  3. Step 3: Cross multiply
    3,790.03x = 5,229.97 × 2,111.31
  4. Step 4: Simplify right side
    3,790.03x = 11,042,087.96
  5. Step 5: Solve for x
    x = 11,042,087.96/3,790.03
  6. Step 6: Final answer
    x = 2,913.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.