Home / 2,203.12-3,305.34-1,326.58

Finding the Fourth Proportional to 2,203.12, 3,305.34 and 1,326.58

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Solution

The fourth proportional to 2,203.12, 3,305.34 and 1,326.58 is: 1,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.12 : 3,305.34 = 1,326.58 : x
  2. Step 2: Convert to fraction form
    2,203.12/3,305.34 = 1,326.58/x
  3. Step 3: Cross multiply
    2,203.12x = 3,305.34 × 1,326.58
  4. Step 4: Simplify right side
    2,203.12x = 4,384,797.94
  5. Step 5: Solve for x
    x = 4,384,797.94/2,203.12
  6. Step 6: Final answer
    x = 1,990.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.