Home / 3,638.98-5,021.58-2,067.04

Finding the Fourth Proportional to 3,638.98, 5,021.58 and 2,067.04

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Solution

The fourth proportional to 3,638.98, 5,021.58 and 2,067.04 is: 2,852.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.98 : 5,021.58 = 2,067.04 : x
  2. Step 2: Convert to fraction form
    3,638.98/5,021.58 = 2,067.04/x
  3. Step 3: Cross multiply
    3,638.98x = 5,021.58 × 2,067.04
  4. Step 4: Simplify right side
    3,638.98x = 10,379,806.72
  5. Step 5: Solve for x
    x = 10,379,806.72/3,638.98
  6. Step 6: Final answer
    x = 2,852.39

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1.5x scale

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.