Home / 2,203.87-3,040.82-1,999.66

Finding the Fourth Proportional to 2,203.87, 3,040.82 and 1,999.66

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Solution

The fourth proportional to 2,203.87, 3,040.82 and 1,999.66 is: 2,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.87 : 3,040.82 = 1,999.66 : x
  2. Step 2: Convert to fraction form
    2,203.87/3,040.82 = 1,999.66/x
  3. Step 3: Cross multiply
    2,203.87x = 3,040.82 × 1,999.66
  4. Step 4: Simplify right side
    2,203.87x = 6,080,580.92
  5. Step 5: Solve for x
    x = 6,080,580.92/2,203.87
  6. Step 6: Final answer
    x = 2,759.05

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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.