Home / 3,654.75-5,482.19-1,189.56

Finding the Fourth Proportional to 3,654.75, 5,482.19 and 1,189.56

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Solution

The fourth proportional to 3,654.75, 5,482.19 and 1,189.56 is: 1,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.75 : 5,482.19 = 1,189.56 : x
  2. Step 2: Convert to fraction form
    3,654.75/5,482.19 = 1,189.56/x
  3. Step 3: Cross multiply
    3,654.75x = 5,482.19 × 1,189.56
  4. Step 4: Simplify right side
    3,654.75x = 6,521,393.94
  5. Step 5: Solve for x
    x = 6,521,393.94/3,654.75
  6. Step 6: Final answer
    x = 1,784.36

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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.