Home / 3,186.23-4,399.14-2,438.86

Finding the Fourth Proportional to 3,186.23, 4,399.14 and 2,438.86

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Solution

The fourth proportional to 3,186.23, 4,399.14 and 2,438.86 is: 3,367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.23 : 4,399.14 = 2,438.86 : x
  2. Step 2: Convert to fraction form
    3,186.23/4,399.14 = 2,438.86/x
  3. Step 3: Cross multiply
    3,186.23x = 4,399.14 × 2,438.86
  4. Step 4: Simplify right side
    3,186.23x = 10,728,864.58
  5. Step 5: Solve for x
    x = 10,728,864.58/3,186.23
  6. Step 6: Final answer
    x = 3,367.26

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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.