Home / 2,610.36-3,917.97-2,158.38

Finding the Fourth Proportional to 2,610.36, 3,917.97 and 2,158.38

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Solution

The fourth proportional to 2,610.36, 3,917.97 and 2,158.38 is: 3,239.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.36 : 3,917.97 = 2,158.38 : x
  2. Step 2: Convert to fraction form
    2,610.36/3,917.97 = 2,158.38/x
  3. Step 3: Cross multiply
    2,610.36x = 3,917.97 × 2,158.38
  4. Step 4: Simplify right side
    2,610.36x = 8,456,468.09
  5. Step 5: Solve for x
    x = 8,456,468.09/2,610.36
  6. Step 6: Final answer
    x = 3,239.58

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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.