Home / 3,863.68-5,331.87-2,095.29

Finding the Fourth Proportional to 3,863.68, 5,331.87 and 2,095.29

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Solution

The fourth proportional to 3,863.68, 5,331.87 and 2,095.29 is: 2,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.68 : 5,331.87 = 2,095.29 : x
  2. Step 2: Convert to fraction form
    3,863.68/5,331.87 = 2,095.29/x
  3. Step 3: Cross multiply
    3,863.68x = 5,331.87 × 2,095.29
  4. Step 4: Simplify right side
    3,863.68x = 11,171,813.89
  5. Step 5: Solve for x
    x = 11,171,813.89/3,863.68
  6. Step 6: Final answer
    x = 2,891.50

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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.