Home / 2,183.36-3,266.92-1,306.30

Finding the Fourth Proportional to 2,183.36, 3,266.92 and 1,306.30

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Solution

The fourth proportional to 2,183.36, 3,266.92 and 1,306.30 is: 1,954.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.36 : 3,266.92 = 1,306.30 : x
  2. Step 2: Convert to fraction form
    2,183.36/3,266.92 = 1,306.30/x
  3. Step 3: Cross multiply
    2,183.36x = 3,266.92 × 1,306.30
  4. Step 4: Simplify right side
    2,183.36x = 4,267,577.60
  5. Step 5: Solve for x
    x = 4,267,577.60/2,183.36
  6. Step 6: Final answer
    x = 1,954.59

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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.