Home / 2,201.18-3,037.68-1,206.50

Finding the Fourth Proportional to 2,201.18, 3,037.68 and 1,206.50

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Solution

The fourth proportional to 2,201.18, 3,037.68 and 1,206.50 is: 1,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.18 : 3,037.68 = 1,206.50 : x
  2. Step 2: Convert to fraction form
    2,201.18/3,037.68 = 1,206.50/x
  3. Step 3: Cross multiply
    2,201.18x = 3,037.68 × 1,206.50
  4. Step 4: Simplify right side
    2,201.18x = 3,664,945.73
  5. Step 5: Solve for x
    x = 3,664,945.73/2,201.18
  6. Step 6: Final answer
    x = 1,665.00

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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.