Home / 3,873.95-5,345.62-2,195.33

Finding the Fourth Proportional to 3,873.95, 5,345.62 and 2,195.33

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Solution

The fourth proportional to 3,873.95, 5,345.62 and 2,195.33 is: 3,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.95 : 5,345.62 = 2,195.33 : x
  2. Step 2: Convert to fraction form
    3,873.95/5,345.62 = 2,195.33/x
  3. Step 3: Cross multiply
    3,873.95x = 5,345.62 × 2,195.33
  4. Step 4: Simplify right side
    3,873.95x = 11,735,375.97
  5. Step 5: Solve for x
    x = 11,735,375.97/3,873.95
  6. Step 6: Final answer
    x = 3,029.31

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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.