Home / 3,880.06-5,354.52-2,201.41

Finding the Fourth Proportional to 3,880.06, 5,354.52 and 2,201.41

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Solution

The fourth proportional to 3,880.06, 5,354.52 and 2,201.41 is: 3,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.06 : 5,354.52 = 2,201.41 : x
  2. Step 2: Convert to fraction form
    3,880.06/5,354.52 = 2,201.41/x
  3. Step 3: Cross multiply
    3,880.06x = 5,354.52 × 2,201.41
  4. Step 4: Simplify right side
    3,880.06x = 11,787,493.87
  5. Step 5: Solve for x
    x = 11,787,493.87/3,880.06
  6. Step 6: Final answer
    x = 3,037.97

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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.