Home / 3,638.65-5,021.75-2,067.01

Finding the Fourth Proportional to 3,638.65, 5,021.75 and 2,067.01

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Solution

The fourth proportional to 3,638.65, 5,021.75 and 2,067.01 is: 2,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.65 : 5,021.75 = 2,067.01 : x
  2. Step 2: Convert to fraction form
    3,638.65/5,021.75 = 2,067.01/x
  3. Step 3: Cross multiply
    3,638.65x = 5,021.75 × 2,067.01
  4. Step 4: Simplify right side
    3,638.65x = 10,380,007.47
  5. Step 5: Solve for x
    x = 10,380,007.47/3,638.65
  6. Step 6: Final answer
    x = 2,852.71

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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.