Home / 2,226.24-3,072.24-1,231.50

Finding the Fourth Proportional to 2,226.24, 3,072.24 and 1,231.50

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Solution

The fourth proportional to 2,226.24, 3,072.24 and 1,231.50 is: 1,699.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.24 : 3,072.24 = 1,231.50 : x
  2. Step 2: Convert to fraction form
    2,226.24/3,072.24 = 1,231.50/x
  3. Step 3: Cross multiply
    2,226.24x = 3,072.24 × 1,231.50
  4. Step 4: Simplify right side
    2,226.24x = 3,783,463.56
  5. Step 5: Solve for x
    x = 3,783,463.56/2,226.24
  6. Step 6: Final answer
    x = 1,699.49

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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.