Home / 3,268.72-4,509.12-2,274.84

Finding the Fourth Proportional to 3,268.72, 4,509.12 and 2,274.84

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Solution

The fourth proportional to 3,268.72, 4,509.12 and 2,274.84 is: 3,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.72 : 4,509.12 = 2,274.84 : x
  2. Step 2: Convert to fraction form
    3,268.72/4,509.12 = 2,274.84/x
  3. Step 3: Cross multiply
    3,268.72x = 4,509.12 × 2,274.84
  4. Step 4: Simplify right side
    3,268.72x = 10,257,526.54
  5. Step 5: Solve for x
    x = 10,257,526.54/3,268.72
  6. Step 6: Final answer
    x = 3,138.09

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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.