Home / 3,882.21-5,359.01-2,310

Finding the Fourth Proportional to 3,882.21, 5,359.01 and 2,310

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Solution

The fourth proportional to 3,882.21, 5,359.01 and 2,310 is: 3,188.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.21 : 5,359.01 = 2,310 : x
  2. Step 2: Convert to fraction form
    3,882.21/5,359.01 = 2,310/x
  3. Step 3: Cross multiply
    3,882.21x = 5,359.01 × 2,310
  4. Step 4: Simplify right side
    3,882.21x = 12,379,301.55
  5. Step 5: Solve for x
    x = 12,379,301.55/3,882.21
  6. Step 6: Final answer
    x = 3,188.73

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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.