Home / 2,201.50-3,037.94-1,206.80

Finding the Fourth Proportional to 2,201.50, 3,037.94 and 1,206.80

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Solution

The fourth proportional to 2,201.50, 3,037.94 and 1,206.80 is: 1,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.50 : 3,037.94 = 1,206.80 : x
  2. Step 2: Convert to fraction form
    2,201.50/3,037.94 = 1,206.80/x
  3. Step 3: Cross multiply
    2,201.50x = 3,037.94 × 1,206.80
  4. Step 4: Simplify right side
    2,201.50x = 3,666,185.99
  5. Step 5: Solve for x
    x = 3,666,185.99/2,201.50
  6. Step 6: Final answer
    x = 1,665.31

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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.