Home / 2,630.58-3,945.94-1,244.57

Finding the Fourth Proportional to 2,630.58, 3,945.94 and 1,244.57

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Solution

The fourth proportional to 2,630.58, 3,945.94 and 1,244.57 is: 1,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.58 : 3,945.94 = 1,244.57 : x
  2. Step 2: Convert to fraction form
    2,630.58/3,945.94 = 1,244.57/x
  3. Step 3: Cross multiply
    2,630.58x = 3,945.94 × 1,244.57
  4. Step 4: Simplify right side
    2,630.58x = 4,910,975.70
  5. Step 5: Solve for x
    x = 4,910,975.70/2,630.58
  6. Step 6: Final answer
    x = 1,866.88

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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.