Home / 2,238.70-3,359.20-1,694.22

Finding the Fourth Proportional to 2,238.70, 3,359.20 and 1,694.22

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Solution

The fourth proportional to 2,238.70, 3,359.20 and 1,694.22 is: 2,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.70 : 3,359.20 = 1,694.22 : x
  2. Step 2: Convert to fraction form
    2,238.70/3,359.20 = 1,694.22/x
  3. Step 3: Cross multiply
    2,238.70x = 3,359.20 × 1,694.22
  4. Step 4: Simplify right side
    2,238.70x = 5,691,223.82
  5. Step 5: Solve for x
    x = 5,691,223.82/2,238.70
  6. Step 6: Final answer
    x = 2,542.20

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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.