Home / 3,638.90-5,022.09-2,067.26

Finding the Fourth Proportional to 3,638.90, 5,022.09 and 2,067.26

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Solution

The fourth proportional to 3,638.90, 5,022.09 and 2,067.26 is: 2,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.90 : 5,022.09 = 2,067.26 : x
  2. Step 2: Convert to fraction form
    3,638.90/5,022.09 = 2,067.26/x
  3. Step 3: Cross multiply
    3,638.90x = 5,022.09 × 2,067.26
  4. Step 4: Simplify right side
    3,638.90x = 10,381,965.77
  5. Step 5: Solve for x
    x = 10,381,965.77/3,638.90
  6. Step 6: Final answer
    x = 2,853.05

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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.