Home / 1,322.73-1,974.44-1,226.37

Finding the Fourth Proportional to 1,322.73, 1,974.44 and 1,226.37

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Solution

The fourth proportional to 1,322.73, 1,974.44 and 1,226.37 is: 1,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.73 : 1,974.44 = 1,226.37 : x
  2. Step 2: Convert to fraction form
    1,322.73/1,974.44 = 1,226.37/x
  3. Step 3: Cross multiply
    1,322.73x = 1,974.44 × 1,226.37
  4. Step 4: Simplify right side
    1,322.73x = 2,421,391.05
  5. Step 5: Solve for x
    x = 2,421,391.05/1,322.73
  6. Step 6: Final answer
    x = 1,830.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.