Home / 3,882.74-5,357.37-2,310.56

Finding the Fourth Proportional to 3,882.74, 5,357.37 and 2,310.56

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Solution

The fourth proportional to 3,882.74, 5,357.37 and 2,310.56 is: 3,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.74 : 5,357.37 = 2,310.56 : x
  2. Step 2: Convert to fraction form
    3,882.74/5,357.37 = 2,310.56/x
  3. Step 3: Cross multiply
    3,882.74x = 5,357.37 × 2,310.56
  4. Step 4: Simplify right side
    3,882.74x = 12,378,524.83
  5. Step 5: Solve for x
    x = 12,378,524.83/3,882.74
  6. Step 6: Final answer
    x = 3,188.09

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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.