Home / 3,863.64-5,331.84-2,095.26

Finding the Fourth Proportional to 3,863.64, 5,331.84 and 2,095.26

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Solution

The fourth proportional to 3,863.64, 5,331.84 and 2,095.26 is: 2,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.64 : 5,331.84 = 2,095.26 : x
  2. Step 2: Convert to fraction form
    3,863.64/5,331.84 = 2,095.26/x
  3. Step 3: Cross multiply
    3,863.64x = 5,331.84 × 2,095.26
  4. Step 4: Simplify right side
    3,863.64x = 11,171,591.08
  5. Step 5: Solve for x
    x = 11,171,591.08/3,863.64
  6. Step 6: Final answer
    x = 2,891.47

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1.5x scale

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.