Home / 3,665.28-5,057.84-2,267.76

Finding the Fourth Proportional to 3,665.28, 5,057.84 and 2,267.76

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Solution

The fourth proportional to 3,665.28, 5,057.84 and 2,267.76 is: 3,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.28 : 5,057.84 = 2,267.76 : x
  2. Step 2: Convert to fraction form
    3,665.28/5,057.84 = 2,267.76/x
  3. Step 3: Cross multiply
    3,665.28x = 5,057.84 × 2,267.76
  4. Step 4: Simplify right side
    3,665.28x = 11,469,967.24
  5. Step 5: Solve for x
    x = 11,469,967.24/3,665.28
  6. Step 6: Final answer
    x = 3,129.36

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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.