Home / 2,305.82-3,183.43-1,559.90

Finding the Fourth Proportional to 2,305.82, 3,183.43 and 1,559.90

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Solution

The fourth proportional to 2,305.82, 3,183.43 and 1,559.90 is: 2,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.82 : 3,183.43 = 1,559.90 : x
  2. Step 2: Convert to fraction form
    2,305.82/3,183.43 = 1,559.90/x
  3. Step 3: Cross multiply
    2,305.82x = 3,183.43 × 1,559.90
  4. Step 4: Simplify right side
    2,305.82x = 4,965,832.46
  5. Step 5: Solve for x
    x = 4,965,832.46/2,305.82
  6. Step 6: Final answer
    x = 2,153.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.