Home / 3,160.66-4,735.80-2,231.71

Finding the Fourth Proportional to 3,160.66, 4,735.80 and 2,231.71

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Solution

The fourth proportional to 3,160.66, 4,735.80 and 2,231.71 is: 3,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.66 : 4,735.80 = 2,231.71 : x
  2. Step 2: Convert to fraction form
    3,160.66/4,735.80 = 2,231.71/x
  3. Step 3: Cross multiply
    3,160.66x = 4,735.80 × 2,231.71
  4. Step 4: Simplify right side
    3,160.66x = 10,568,932.22
  5. Step 5: Solve for x
    x = 10,568,932.22/3,160.66
  6. Step 6: Final answer
    x = 3,343.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.