Home / 3,725.72-5,141.62-2,214.08

Finding the Fourth Proportional to 3,725.72, 5,141.62 and 2,214.08

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Solution

The fourth proportional to 3,725.72, 5,141.62 and 2,214.08 is: 3,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.72 : 5,141.62 = 2,214.08 : x
  2. Step 2: Convert to fraction form
    3,725.72/5,141.62 = 2,214.08/x
  3. Step 3: Cross multiply
    3,725.72x = 5,141.62 × 2,214.08
  4. Step 4: Simplify right side
    3,725.72x = 11,383,958.01
  5. Step 5: Solve for x
    x = 11,383,958.01/3,725.72
  6. Step 6: Final answer
    x = 3,055.51

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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.