Home / 2,238.94-3,089.44-1,230.49

Finding the Fourth Proportional to 2,238.94, 3,089.44 and 1,230.49

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Solution

The fourth proportional to 2,238.94, 3,089.44 and 1,230.49 is: 1,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.94 : 3,089.44 = 1,230.49 : x
  2. Step 2: Convert to fraction form
    2,238.94/3,089.44 = 1,230.49/x
  3. Step 3: Cross multiply
    2,238.94x = 3,089.44 × 1,230.49
  4. Step 4: Simplify right side
    2,238.94x = 3,801,530.43
  5. Step 5: Solve for x
    x = 3,801,530.43/2,238.94
  6. Step 6: Final answer
    x = 1,697.91

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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.