Home / 1,198.59-1,654.96-1,179.45

Finding the Fourth Proportional to 1,198.59, 1,654.96 and 1,179.45

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Solution

The fourth proportional to 1,198.59, 1,654.96 and 1,179.45 is: 1,628.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198.59 : 1,654.96 = 1,179.45 : x
  2. Step 2: Convert to fraction form
    1,198.59/1,654.96 = 1,179.45/x
  3. Step 3: Cross multiply
    1,198.59x = 1,654.96 × 1,179.45
  4. Step 4: Simplify right side
    1,198.59x = 1,951,940.81
  5. Step 5: Solve for x
    x = 1,951,940.81/1,198.59
  6. Step 6: Final answer
    x = 1,628.53

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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.