Home / 3,723.36-5,138.16-2,067.36

Finding the Fourth Proportional to 3,723.36, 5,138.16 and 2,067.36

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Solution

The fourth proportional to 3,723.36, 5,138.16 and 2,067.36 is: 2,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.36 : 5,138.16 = 2,067.36 : x
  2. Step 2: Convert to fraction form
    3,723.36/5,138.16 = 2,067.36/x
  3. Step 3: Cross multiply
    3,723.36x = 5,138.16 × 2,067.36
  4. Step 4: Simplify right side
    3,723.36x = 10,622,426.46
  5. Step 5: Solve for x
    x = 10,622,426.46/3,723.36
  6. Step 6: Final answer
    x = 2,852.91

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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.