Home / 2,080.38-3,121.19-1,202.67

Finding the Fourth Proportional to 2,080.38, 3,121.19 and 1,202.67

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Solution

The fourth proportional to 2,080.38, 3,121.19 and 1,202.67 is: 1,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.38 : 3,121.19 = 1,202.67 : x
  2. Step 2: Convert to fraction form
    2,080.38/3,121.19 = 1,202.67/x
  3. Step 3: Cross multiply
    2,080.38x = 3,121.19 × 1,202.67
  4. Step 4: Simplify right side
    2,080.38x = 3,753,761.58
  5. Step 5: Solve for x
    x = 3,753,761.58/2,080.38
  6. Step 6: Final answer
    x = 1,804.36

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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.