Home / 3,754.36-5,180.79-2,182.15

Finding the Fourth Proportional to 3,754.36, 5,180.79 and 2,182.15

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Solution

The fourth proportional to 3,754.36, 5,180.79 and 2,182.15 is: 3,011.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.36 : 5,180.79 = 2,182.15 : x
  2. Step 2: Convert to fraction form
    3,754.36/5,180.79 = 2,182.15/x
  3. Step 3: Cross multiply
    3,754.36x = 5,180.79 × 2,182.15
  4. Step 4: Simplify right side
    3,754.36x = 11,305,260.90
  5. Step 5: Solve for x
    x = 11,305,260.90/3,754.36
  6. Step 6: Final answer
    x = 3,011.24

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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.