Home / 2,226.66-3,072.72-1,231.92

Finding the Fourth Proportional to 2,226.66, 3,072.72 and 1,231.92

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Solution

The fourth proportional to 2,226.66, 3,072.72 and 1,231.92 is: 1,700.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.66 : 3,072.72 = 1,231.92 : x
  2. Step 2: Convert to fraction form
    2,226.66/3,072.72 = 1,231.92/x
  3. Step 3: Cross multiply
    2,226.66x = 3,072.72 × 1,231.92
  4. Step 4: Simplify right side
    2,226.66x = 3,785,345.22
  5. Step 5: Solve for x
    x = 3,785,345.22/2,226.66
  6. Step 6: Final answer
    x = 1,700.01

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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.