Home / 2,201.22-3,037.69-1,206.49

Finding the Fourth Proportional to 2,201.22, 3,037.69 and 1,206.49

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Solution

The fourth proportional to 2,201.22, 3,037.69 and 1,206.49 is: 1,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.22 : 3,037.69 = 1,206.49 : x
  2. Step 2: Convert to fraction form
    2,201.22/3,037.69 = 1,206.49/x
  3. Step 3: Cross multiply
    2,201.22x = 3,037.69 × 1,206.49
  4. Step 4: Simplify right side
    2,201.22x = 3,664,942.61
  5. Step 5: Solve for x
    x = 3,664,942.61/2,201.22
  6. Step 6: Final answer
    x = 1,664.96

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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.