Home / 3,877.82-5,351.91-2,484.62

Finding the Fourth Proportional to 3,877.82, 5,351.91 and 2,484.62

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Solution

The fourth proportional to 3,877.82, 5,351.91 and 2,484.62 is: 3,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.82 : 5,351.91 = 2,484.62 : x
  2. Step 2: Convert to fraction form
    3,877.82/5,351.91 = 2,484.62/x
  3. Step 3: Cross multiply
    3,877.82x = 5,351.91 × 2,484.62
  4. Step 4: Simplify right side
    3,877.82x = 13,297,462.62
  5. Step 5: Solve for x
    x = 13,297,462.62/3,877.82
  6. Step 6: Final answer
    x = 3,429.11

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Why These Related Problems?

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