Home / 3,197.12-4,407.92-2,343.69

Finding the Fourth Proportional to 3,197.12, 4,407.92 and 2,343.69

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Solution

The fourth proportional to 3,197.12, 4,407.92 and 2,343.69 is: 3,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.12 : 4,407.92 = 2,343.69 : x
  2. Step 2: Convert to fraction form
    3,197.12/4,407.92 = 2,343.69/x
  3. Step 3: Cross multiply
    3,197.12x = 4,407.92 × 2,343.69
  4. Step 4: Simplify right side
    3,197.12x = 10,330,786.31
  5. Step 5: Solve for x
    x = 10,330,786.31/3,197.12
  6. Step 6: Final answer
    x = 3,231.28

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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.