Home / 2,201.11-3,037.64-1,206.43

Finding the Fourth Proportional to 2,201.11, 3,037.64 and 1,206.43

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Solution

The fourth proportional to 2,201.11, 3,037.64 and 1,206.43 is: 1,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.11 : 3,037.64 = 1,206.43 : x
  2. Step 2: Convert to fraction form
    2,201.11/3,037.64 = 1,206.43/x
  3. Step 3: Cross multiply
    2,201.11x = 3,037.64 × 1,206.43
  4. Step 4: Simplify right side
    2,201.11x = 3,664,686.40
  5. Step 5: Solve for x
    x = 3,664,686.40/2,201.11
  6. Step 6: Final answer
    x = 1,664.93

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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.