Home / 3,863.39-5,797.21-2,108.32

Finding the Fourth Proportional to 3,863.39, 5,797.21 and 2,108.32

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Solution

The fourth proportional to 3,863.39, 5,797.21 and 2,108.32 is: 3,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.39 : 5,797.21 = 2,108.32 : x
  2. Step 2: Convert to fraction form
    3,863.39/5,797.21 = 2,108.32/x
  3. Step 3: Cross multiply
    3,863.39x = 5,797.21 × 2,108.32
  4. Step 4: Simplify right side
    3,863.39x = 12,222,354.02
  5. Step 5: Solve for x
    x = 12,222,354.02/3,863.39
  6. Step 6: Final answer
    x = 3,163.64

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1.5x scale

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.