Home / 3,974.36-5,486.88-2,650.28

Finding the Fourth Proportional to 3,974.36, 5,486.88 and 2,650.28

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Solution

The fourth proportional to 3,974.36, 5,486.88 and 2,650.28 is: 3,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.36 : 5,486.88 = 2,650.28 : x
  2. Step 2: Convert to fraction form
    3,974.36/5,486.88 = 2,650.28/x
  3. Step 3: Cross multiply
    3,974.36x = 5,486.88 × 2,650.28
  4. Step 4: Simplify right side
    3,974.36x = 14,541,768.33
  5. Step 5: Solve for x
    x = 14,541,768.33/3,974.36
  6. Step 6: Final answer
    x = 3,658.90

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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.