Home / 3,882.80-5,816.10-2,907.56

Finding the Fourth Proportional to 3,882.80, 5,816.10 and 2,907.56

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Solution

The fourth proportional to 3,882.80, 5,816.10 and 2,907.56 is: 4,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.80 : 5,816.10 = 2,907.56 : x
  2. Step 2: Convert to fraction form
    3,882.80/5,816.10 = 2,907.56/x
  3. Step 3: Cross multiply
    3,882.80x = 5,816.10 × 2,907.56
  4. Step 4: Simplify right side
    3,882.80x = 16,910,659.72
  5. Step 5: Solve for x
    x = 16,910,659.72/3,882.80
  6. Step 6: Final answer
    x = 4,355.27

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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.