Home / 3,425.46-5,125.56-2,421.84

Finding the Fourth Proportional to 3,425.46, 5,125.56 and 2,421.84

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Solution

The fourth proportional to 3,425.46, 5,125.56 and 2,421.84 is: 3,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.46 : 5,125.56 = 2,421.84 : x
  2. Step 2: Convert to fraction form
    3,425.46/5,125.56 = 2,421.84/x
  3. Step 3: Cross multiply
    3,425.46x = 5,125.56 × 2,421.84
  4. Step 4: Simplify right side
    3,425.46x = 12,413,286.23
  5. Step 5: Solve for x
    x = 12,413,286.23/3,425.46
  6. Step 6: Final answer
    x = 3,623.83

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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.