Home / 3,919.78-5,880.61-2,254.97

Finding the Fourth Proportional to 3,919.78, 5,880.61 and 2,254.97

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Solution

The fourth proportional to 3,919.78, 5,880.61 and 2,254.97 is: 3,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.78 : 5,880.61 = 2,254.97 : x
  2. Step 2: Convert to fraction form
    3,919.78/5,880.61 = 2,254.97/x
  3. Step 3: Cross multiply
    3,919.78x = 5,880.61 × 2,254.97
  4. Step 4: Simplify right side
    3,919.78x = 13,260,569.73
  5. Step 5: Solve for x
    x = 13,260,569.73/3,919.78
  6. Step 6: Final answer
    x = 3,382.99

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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.