Home / 3,425.42-5,138.67-1,451.06

Finding the Fourth Proportional to 3,425.42, 5,138.67 and 1,451.06

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Solution

The fourth proportional to 3,425.42, 5,138.67 and 1,451.06 is: 2,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.42 : 5,138.67 = 1,451.06 : x
  2. Step 2: Convert to fraction form
    3,425.42/5,138.67 = 1,451.06/x
  3. Step 3: Cross multiply
    3,425.42x = 5,138.67 × 1,451.06
  4. Step 4: Simplify right side
    3,425.42x = 7,456,496.93
  5. Step 5: Solve for x
    x = 7,456,496.93/3,425.42
  6. Step 6: Final answer
    x = 2,176.81

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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.