Home / 2,227.12-3,338.44-1,072.24

Finding the Fourth Proportional to 2,227.12, 3,338.44 and 1,072.24

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Solution

The fourth proportional to 2,227.12, 3,338.44 and 1,072.24 is: 1,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.12 : 3,338.44 = 1,072.24 : x
  2. Step 2: Convert to fraction form
    2,227.12/3,338.44 = 1,072.24/x
  3. Step 3: Cross multiply
    2,227.12x = 3,338.44 × 1,072.24
  4. Step 4: Simplify right side
    2,227.12x = 3,579,608.91
  5. Step 5: Solve for x
    x = 3,579,608.91/2,227.12
  6. Step 6: Final answer
    x = 1,607.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.