Home / 3,538.79-5,293.55-3,218.03

Finding the Fourth Proportional to 3,538.79, 5,293.55 and 3,218.03

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Solution

The fourth proportional to 3,538.79, 5,293.55 and 3,218.03 is: 4,813.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.79 : 5,293.55 = 3,218.03 : x
  2. Step 2: Convert to fraction form
    3,538.79/5,293.55 = 3,218.03/x
  3. Step 3: Cross multiply
    3,538.79x = 5,293.55 × 3,218.03
  4. Step 4: Simplify right side
    3,538.79x = 17,034,786.62
  5. Step 5: Solve for x
    x = 17,034,786.62/3,538.79
  6. Step 6: Final answer
    x = 4,813.73

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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.