Home / 3,412.12-4,704.42-2,231.32

Finding the Fourth Proportional to 3,412.12, 4,704.42 and 2,231.32

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Solution

The fourth proportional to 3,412.12, 4,704.42 and 2,231.32 is: 3,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.12 : 4,704.42 = 2,231.32 : x
  2. Step 2: Convert to fraction form
    3,412.12/4,704.42 = 2,231.32/x
  3. Step 3: Cross multiply
    3,412.12x = 4,704.42 × 2,231.32
  4. Step 4: Simplify right side
    3,412.12x = 10,497,066.43
  5. Step 5: Solve for x
    x = 10,497,066.43/3,412.12
  6. Step 6: Final answer
    x = 3,076.41

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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.