Home / 3,772.43-5,206.19-2,179.37

Finding the Fourth Proportional to 3,772.43, 5,206.19 and 2,179.37

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Solution

The fourth proportional to 3,772.43, 5,206.19 and 2,179.37 is: 3,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.43 : 5,206.19 = 2,179.37 : x
  2. Step 2: Convert to fraction form
    3,772.43/5,206.19 = 2,179.37/x
  3. Step 3: Cross multiply
    3,772.43x = 5,206.19 × 2,179.37
  4. Step 4: Simplify right side
    3,772.43x = 11,346,177.37
  5. Step 5: Solve for x
    x = 11,346,177.37/3,772.43
  6. Step 6: Final answer
    x = 3,007.66

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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.