Home / 3,421.98-5,134.79-1,474.03

Finding the Fourth Proportional to 3,421.98, 5,134.79 and 1,474.03

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Solution

The fourth proportional to 3,421.98, 5,134.79 and 1,474.03 is: 2,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.98 : 5,134.79 = 1,474.03 : x
  2. Step 2: Convert to fraction form
    3,421.98/5,134.79 = 1,474.03/x
  3. Step 3: Cross multiply
    3,421.98x = 5,134.79 × 1,474.03
  4. Step 4: Simplify right side
    3,421.98x = 7,568,844.61
  5. Step 5: Solve for x
    x = 7,568,844.61/3,421.98
  6. Step 6: Final answer
    x = 2,211.83

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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.