Home / 3,016.86-4,163.34-1,690.85

Finding the Fourth Proportional to 3,016.86, 4,163.34 and 1,690.85

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Solution

The fourth proportional to 3,016.86, 4,163.34 and 1,690.85 is: 2,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.86 : 4,163.34 = 1,690.85 : x
  2. Step 2: Convert to fraction form
    3,016.86/4,163.34 = 1,690.85/x
  3. Step 3: Cross multiply
    3,016.86x = 4,163.34 × 1,690.85
  4. Step 4: Simplify right side
    3,016.86x = 7,039,583.44
  5. Step 5: Solve for x
    x = 7,039,583.44/3,016.86
  6. Step 6: Final answer
    x = 2,333.41

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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.