Home / 2,203.38-3,303.09-1,107.18

Finding the Fourth Proportional to 2,203.38, 3,303.09 and 1,107.18

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Solution

The fourth proportional to 2,203.38, 3,303.09 and 1,107.18 is: 1,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.38 : 3,303.09 = 1,107.18 : x
  2. Step 2: Convert to fraction form
    2,203.38/3,303.09 = 1,107.18/x
  3. Step 3: Cross multiply
    2,203.38x = 3,303.09 × 1,107.18
  4. Step 4: Simplify right side
    2,203.38x = 3,657,115.19
  5. Step 5: Solve for x
    x = 3,657,115.19/2,203.38
  6. Step 6: Final answer
    x = 1,659.78

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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.