Home / 3,749.16-5,161.14-3,222.12

Finding the Fourth Proportional to 3,749.16, 5,161.14 and 3,222.12

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Solution

The fourth proportional to 3,749.16, 5,161.14 and 3,222.12 is: 4,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.16 : 5,161.14 = 3,222.12 : x
  2. Step 2: Convert to fraction form
    3,749.16/5,161.14 = 3,222.12/x
  3. Step 3: Cross multiply
    3,749.16x = 5,161.14 × 3,222.12
  4. Step 4: Simplify right side
    3,749.16x = 16,629,812.42
  5. Step 5: Solve for x
    x = 16,629,812.42/3,749.16
  6. Step 6: Final answer
    x = 4,435.61

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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.