Home / 3,106.52-4,286.29-2,267.68

Finding the Fourth Proportional to 3,106.52, 4,286.29 and 2,267.68

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Solution

The fourth proportional to 3,106.52, 4,286.29 and 2,267.68 is: 3,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.52 : 4,286.29 = 2,267.68 : x
  2. Step 2: Convert to fraction form
    3,106.52/4,286.29 = 2,267.68/x
  3. Step 3: Cross multiply
    3,106.52x = 4,286.29 × 2,267.68
  4. Step 4: Simplify right side
    3,106.52x = 9,719,936.39
  5. Step 5: Solve for x
    x = 9,719,936.39/3,106.52
  6. Step 6: Final answer
    x = 3,128.88

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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.