Home / 2,238.44-3,089.04-1,243.70

Finding the Fourth Proportional to 2,238.44, 3,089.04 and 1,243.70

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Solution

The fourth proportional to 2,238.44, 3,089.04 and 1,243.70 is: 1,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.44 : 3,089.04 = 1,243.70 : x
  2. Step 2: Convert to fraction form
    2,238.44/3,089.04 = 1,243.70/x
  3. Step 3: Cross multiply
    2,238.44x = 3,089.04 × 1,243.70
  4. Step 4: Simplify right side
    2,238.44x = 3,841,847.90
  5. Step 5: Solve for x
    x = 3,841,847.90/2,238.44
  6. Step 6: Final answer
    x = 1,716.31

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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.