Home / 3,016.45-4,163.57-2,721.61

Finding the Fourth Proportional to 3,016.45, 4,163.57 and 2,721.61

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Solution

The fourth proportional to 3,016.45, 4,163.57 and 2,721.61 is: 3,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.45 : 4,163.57 = 2,721.61 : x
  2. Step 2: Convert to fraction form
    3,016.45/4,163.57 = 2,721.61/x
  3. Step 3: Cross multiply
    3,016.45x = 4,163.57 × 2,721.61
  4. Step 4: Simplify right side
    3,016.45x = 11,331,613.75
  5. Step 5: Solve for x
    x = 11,331,613.75/3,016.45
  6. Step 6: Final answer
    x = 3,756.61

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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.