Home / 3,824.22-5,277.57-2,145.90

Finding the Fourth Proportional to 3,824.22, 5,277.57 and 2,145.90

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Solution

The fourth proportional to 3,824.22, 5,277.57 and 2,145.90 is: 2,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.22 : 5,277.57 = 2,145.90 : x
  2. Step 2: Convert to fraction form
    3,824.22/5,277.57 = 2,145.90/x
  3. Step 3: Cross multiply
    3,824.22x = 5,277.57 × 2,145.90
  4. Step 4: Simplify right side
    3,824.22x = 11,325,137.46
  5. Step 5: Solve for x
    x = 11,325,137.46/3,824.22
  6. Step 6: Final answer
    x = 2,961.42

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Double scale
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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.