Home / 3,919.78-5,882.53-2,998

Finding the Fourth Proportional to 3,919.78, 5,882.53 and 2,998

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Solution

The fourth proportional to 3,919.78, 5,882.53 and 2,998 is: 4,499.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.78 : 5,882.53 = 2,998 : x
  2. Step 2: Convert to fraction form
    3,919.78/5,882.53 = 2,998/x
  3. Step 3: Cross multiply
    3,919.78x = 5,882.53 × 2,998
  4. Step 4: Simplify right side
    3,919.78x = 17,635,824.94
  5. Step 5: Solve for x
    x = 17,635,824.94/3,919.78
  6. Step 6: Final answer
    x = 4,499.19

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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.