Home / 3,342.42-4,613.55-2,163.57

Finding the Fourth Proportional to 3,342.42, 4,613.55 and 2,163.57

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Solution

The fourth proportional to 3,342.42, 4,613.55 and 2,163.57 is: 2,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.42 : 4,613.55 = 2,163.57 : x
  2. Step 2: Convert to fraction form
    3,342.42/4,613.55 = 2,163.57/x
  3. Step 3: Cross multiply
    3,342.42x = 4,613.55 × 2,163.57
  4. Step 4: Simplify right side
    3,342.42x = 9,981,738.37
  5. Step 5: Solve for x
    x = 9,981,738.37/3,342.42
  6. Step 6: Final answer
    x = 2,986.38

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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.