Home / 3,863.67-5,331.87-2,095.28

Finding the Fourth Proportional to 3,863.67, 5,331.87 and 2,095.28

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Solution

The fourth proportional to 3,863.67, 5,331.87 and 2,095.28 is: 2,891.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.67 : 5,331.87 = 2,095.28 : x
  2. Step 2: Convert to fraction form
    3,863.67/5,331.87 = 2,095.28/x
  3. Step 3: Cross multiply
    3,863.67x = 5,331.87 × 2,095.28
  4. Step 4: Simplify right side
    3,863.67x = 11,171,783.90
  5. Step 5: Solve for x
    x = 11,171,783.90/3,863.67
  6. Step 6: Final answer
    x = 2,891.49

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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.