Home / 2,201.37-3,037.91-1,206.69

Finding the Fourth Proportional to 2,201.37, 3,037.91 and 1,206.69

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Solution

The fourth proportional to 2,201.37, 3,037.91 and 1,206.69 is: 1,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.37 : 3,037.91 = 1,206.69 : x
  2. Step 2: Convert to fraction form
    2,201.37/3,037.91 = 1,206.69/x
  3. Step 3: Cross multiply
    2,201.37x = 3,037.91 × 1,206.69
  4. Step 4: Simplify right side
    2,201.37x = 3,665,815.62
  5. Step 5: Solve for x
    x = 3,665,815.62/2,201.37
  6. Step 6: Final answer
    x = 1,665.24

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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.