Home / 3,561.46-4,913.85-2,163.22

Finding the Fourth Proportional to 3,561.46, 4,913.85 and 2,163.22

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Solution

The fourth proportional to 3,561.46, 4,913.85 and 2,163.22 is: 2,984.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.46 : 4,913.85 = 2,163.22 : x
  2. Step 2: Convert to fraction form
    3,561.46/4,913.85 = 2,163.22/x
  3. Step 3: Cross multiply
    3,561.46x = 4,913.85 × 2,163.22
  4. Step 4: Simplify right side
    3,561.46x = 10,629,738.60
  5. Step 5: Solve for x
    x = 10,629,738.60/3,561.46
  6. Step 6: Final answer
    x = 2,984.66

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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.