Home / 3,654.43-5,481.69-1,189.26

Finding the Fourth Proportional to 3,654.43, 5,481.69 and 1,189.26

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Solution

The fourth proportional to 3,654.43, 5,481.69 and 1,189.26 is: 1,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.43 : 5,481.69 = 1,189.26 : x
  2. Step 2: Convert to fraction form
    3,654.43/5,481.69 = 1,189.26/x
  3. Step 3: Cross multiply
    3,654.43x = 5,481.69 × 1,189.26
  4. Step 4: Simplify right side
    3,654.43x = 6,519,137.97
  5. Step 5: Solve for x
    x = 6,519,137.97/3,654.43
  6. Step 6: Final answer
    x = 1,783.90

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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.