Home / 2,200.75-3,285.96-1,790.66

Finding the Fourth Proportional to 2,200.75, 3,285.96 and 1,790.66

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Solution

The fourth proportional to 2,200.75, 3,285.96 and 1,790.66 is: 2,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.75 : 3,285.96 = 1,790.66 : x
  2. Step 2: Convert to fraction form
    2,200.75/3,285.96 = 1,790.66/x
  3. Step 3: Cross multiply
    2,200.75x = 3,285.96 × 1,790.66
  4. Step 4: Simplify right side
    2,200.75x = 5,884,037.13
  5. Step 5: Solve for x
    x = 5,884,037.13/2,200.75
  6. Step 6: Final answer
    x = 2,673.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.