Home / 3,753.14-5,179.61-2,160.27

Finding the Fourth Proportional to 3,753.14, 5,179.61 and 2,160.27

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Solution

The fourth proportional to 3,753.14, 5,179.61 and 2,160.27 is: 2,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.14 : 5,179.61 = 2,160.27 : x
  2. Step 2: Convert to fraction form
    3,753.14/5,179.61 = 2,160.27/x
  3. Step 3: Cross multiply
    3,753.14x = 5,179.61 × 2,160.27
  4. Step 4: Simplify right side
    3,753.14x = 11,189,361.50
  5. Step 5: Solve for x
    x = 11,189,361.50/3,753.14
  6. Step 6: Final answer
    x = 2,981.34

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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.