Home / 3,863.64-5,331.81-2,095.23

Finding the Fourth Proportional to 3,863.64, 5,331.81 and 2,095.23

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Solution

The fourth proportional to 3,863.64, 5,331.81 and 2,095.23 is: 2,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.64 : 5,331.81 = 2,095.23 : x
  2. Step 2: Convert to fraction form
    3,863.64/5,331.81 = 2,095.23/x
  3. Step 3: Cross multiply
    3,863.64x = 5,331.81 × 2,095.23
  4. Step 4: Simplify right side
    3,863.64x = 11,171,368.27
  5. Step 5: Solve for x
    x = 11,171,368.27/3,863.64
  6. Step 6: Final answer
    x = 2,891.41

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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.