Home / 3,395.05-5,067.61-3,157.09

Finding the Fourth Proportional to 3,395.05, 5,067.61 and 3,157.09

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Solution

The fourth proportional to 3,395.05, 5,067.61 and 3,157.09 is: 4,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.05 : 5,067.61 = 3,157.09 : x
  2. Step 2: Convert to fraction form
    3,395.05/5,067.61 = 3,157.09/x
  3. Step 3: Cross multiply
    3,395.05x = 5,067.61 × 3,157.09
  4. Step 4: Simplify right side
    3,395.05x = 15,998,900.85
  5. Step 5: Solve for x
    x = 15,998,900.85/3,395.05
  6. Step 6: Final answer
    x = 4,712.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.