Home / 1,227.23-1,830.79-1,193.75

Finding the Fourth Proportional to 1,227.23, 1,830.79 and 1,193.75

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Solution

The fourth proportional to 1,227.23, 1,830.79 and 1,193.75 is: 1,780.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227.23 : 1,830.79 = 1,193.75 : x
  2. Step 2: Convert to fraction form
    1,227.23/1,830.79 = 1,193.75/x
  3. Step 3: Cross multiply
    1,227.23x = 1,830.79 × 1,193.75
  4. Step 4: Simplify right side
    1,227.23x = 2,185,505.56
  5. Step 5: Solve for x
    x = 2,185,505.56/1,227.23
  6. Step 6: Final answer
    x = 1,780.84

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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.