Home / 3,639.09-5,021.95-2,067.19

Finding the Fourth Proportional to 3,639.09, 5,021.95 and 2,067.19

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Solution

The fourth proportional to 3,639.09, 5,021.95 and 2,067.19 is: 2,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.09 : 5,021.95 = 2,067.19 : x
  2. Step 2: Convert to fraction form
    3,639.09/5,021.95 = 2,067.19/x
  3. Step 3: Cross multiply
    3,639.09x = 5,021.95 × 2,067.19
  4. Step 4: Simplify right side
    3,639.09x = 10,381,310.97
  5. Step 5: Solve for x
    x = 10,381,310.97/3,639.09
  6. Step 6: Final answer
    x = 2,852.72

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Half scale
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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.