Home / 3,015.32-4,162.85-2,305.82

Finding the Fourth Proportional to 3,015.32, 4,162.85 and 2,305.82

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Solution

The fourth proportional to 3,015.32, 4,162.85 and 2,305.82 is: 3,183.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.32 : 4,162.85 = 2,305.82 : x
  2. Step 2: Convert to fraction form
    3,015.32/4,162.85 = 2,305.82/x
  3. Step 3: Cross multiply
    3,015.32x = 4,162.85 × 2,305.82
  4. Step 4: Simplify right side
    3,015.32x = 9,598,750.44
  5. Step 5: Solve for x
    x = 9,598,750.44/3,015.32
  6. Step 6: Final answer
    x = 3,183.33

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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.