Home / 2,949.36-4,067.46-2,453.64

Finding the Fourth Proportional to 2,949.36, 4,067.46 and 2,453.64

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Solution

The fourth proportional to 2,949.36, 4,067.46 and 2,453.64 is: 3,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.36 : 4,067.46 = 2,453.64 : x
  2. Step 2: Convert to fraction form
    2,949.36/4,067.46 = 2,453.64/x
  3. Step 3: Cross multiply
    2,949.36x = 4,067.46 × 2,453.64
  4. Step 4: Simplify right side
    2,949.36x = 9,980,082.55
  5. Step 5: Solve for x
    x = 9,980,082.55/2,949.36
  6. Step 6: Final answer
    x = 3,383.81

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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.