Home / 3,687.73-5,531.66-1,189.38

Finding the Fourth Proportional to 3,687.73, 5,531.66 and 1,189.38

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Solution

The fourth proportional to 3,687.73, 5,531.66 and 1,189.38 is: 1,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.73 : 5,531.66 = 1,189.38 : x
  2. Step 2: Convert to fraction form
    3,687.73/5,531.66 = 1,189.38/x
  3. Step 3: Cross multiply
    3,687.73x = 5,531.66 × 1,189.38
  4. Step 4: Simplify right side
    3,687.73x = 6,579,265.03
  5. Step 5: Solve for x
    x = 6,579,265.03/3,687.73
  6. Step 6: Final answer
    x = 1,784.10

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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.