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Finding the Fourth Proportional to 2,195, 3,028.98 and 1,250.60

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Solution

The fourth proportional to 2,195, 3,028.98 and 1,250.60 is: 1,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195 : 3,028.98 = 1,250.60 : x
  2. Step 2: Convert to fraction form
    2,195/3,028.98 = 1,250.60/x
  3. Step 3: Cross multiply
    2,195x = 3,028.98 × 1,250.60
  4. Step 4: Simplify right side
    2,195x = 3,788,042.39
  5. Step 5: Solve for x
    x = 3,788,042.39/2,195
  6. Step 6: Final answer
    x = 1,725.76

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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.