Home / 2,079.22-3,118.83-1,201.18

Finding the Fourth Proportional to 2,079.22, 3,118.83 and 1,201.18

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Solution

The fourth proportional to 2,079.22, 3,118.83 and 1,201.18 is: 1,801.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.22 : 3,118.83 = 1,201.18 : x
  2. Step 2: Convert to fraction form
    2,079.22/3,118.83 = 1,201.18/x
  3. Step 3: Cross multiply
    2,079.22x = 3,118.83 × 1,201.18
  4. Step 4: Simplify right side
    2,079.22x = 3,746,276.22
  5. Step 5: Solve for x
    x = 3,746,276.22/2,079.22
  6. Step 6: Final answer
    x = 1,801.77

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Similar ratio
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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.