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Finding the Fourth Proportional to 3,882.71, 5,814.79 and 2,235.79

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Solution

The fourth proportional to 3,882.71, 5,814.79 and 2,235.79 is: 3,348.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.71 : 5,814.79 = 2,235.79 : x
  2. Step 2: Convert to fraction form
    3,882.71/5,814.79 = 2,235.79/x
  3. Step 3: Cross multiply
    3,882.71x = 5,814.79 × 2,235.79
  4. Step 4: Simplify right side
    3,882.71x = 13,000,649.33
  5. Step 5: Solve for x
    x = 13,000,649.33/3,882.71
  6. Step 6: Final answer
    x = 3,348.34

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1.5x scale

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.