Home / 3,639.21-5,022.08-2,067.30

Finding the Fourth Proportional to 3,639.21, 5,022.08 and 2,067.30

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Solution

The fourth proportional to 3,639.21, 5,022.08 and 2,067.30 is: 2,852.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.21 : 5,022.08 = 2,067.30 : x
  2. Step 2: Convert to fraction form
    3,639.21/5,022.08 = 2,067.30/x
  3. Step 3: Cross multiply
    3,639.21x = 5,022.08 × 2,067.30
  4. Step 4: Simplify right side
    3,639.21x = 10,382,143.40
  5. Step 5: Solve for x
    x = 10,382,143.40/3,639.21
  6. Step 6: Final answer
    x = 2,852.86

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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.