Home / 3,911.82-5,398.83-2,518.62

Finding the Fourth Proportional to 3,911.82, 5,398.83 and 2,518.62

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Solution

The fourth proportional to 3,911.82, 5,398.83 and 2,518.62 is: 3,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.82 : 5,398.83 = 2,518.62 : x
  2. Step 2: Convert to fraction form
    3,911.82/5,398.83 = 2,518.62/x
  3. Step 3: Cross multiply
    3,911.82x = 5,398.83 × 2,518.62
  4. Step 4: Simplify right side
    3,911.82x = 13,597,601.21
  5. Step 5: Solve for x
    x = 13,597,601.21/3,911.82
  6. Step 6: Final answer
    x = 3,476.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.