Home / 4,115.14-5,678.86-2,226.71

Finding the Fourth Proportional to 4,115.14, 5,678.86 and 2,226.71

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Solution

The fourth proportional to 4,115.14, 5,678.86 and 2,226.71 is: 3,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.14 : 5,678.86 = 2,226.71 : x
  2. Step 2: Convert to fraction form
    4,115.14/5,678.86 = 2,226.71/x
  3. Step 3: Cross multiply
    4,115.14x = 5,678.86 × 2,226.71
  4. Step 4: Simplify right side
    4,115.14x = 12,645,163.22
  5. Step 5: Solve for x
    x = 12,645,163.22/4,115.14
  6. Step 6: Final answer
    x = 3,072.84

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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.