Home / 3,486.38-5,198.82-3,002.54

Finding the Fourth Proportional to 3,486.38, 5,198.82 and 3,002.54

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Solution

The fourth proportional to 3,486.38, 5,198.82 and 3,002.54 is: 4,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.38 : 5,198.82 = 3,002.54 : x
  2. Step 2: Convert to fraction form
    3,486.38/5,198.82 = 3,002.54/x
  3. Step 3: Cross multiply
    3,486.38x = 5,198.82 × 3,002.54
  4. Step 4: Simplify right side
    3,486.38x = 15,609,649.99
  5. Step 5: Solve for x
    x = 15,609,649.99/3,486.38
  6. Step 6: Final answer
    x = 4,477.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.