Home / 2,226.42-3,072.33-1,231.64

Finding the Fourth Proportional to 2,226.42, 3,072.33 and 1,231.64

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Solution

The fourth proportional to 2,226.42, 3,072.33 and 1,231.64 is: 1,699.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.42 : 3,072.33 = 1,231.64 : x
  2. Step 2: Convert to fraction form
    2,226.42/3,072.33 = 1,231.64/x
  3. Step 3: Cross multiply
    2,226.42x = 3,072.33 × 1,231.64
  4. Step 4: Simplify right side
    2,226.42x = 3,784,004.52
  5. Step 5: Solve for x
    x = 3,784,004.52/2,226.42
  6. Step 6: Final answer
    x = 1,699.59

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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.