Home / 1,912.44-2,638.77-1,250.27

Finding the Fourth Proportional to 1,912.44, 2,638.77 and 1,250.27

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Solution

The fourth proportional to 1,912.44, 2,638.77 and 1,250.27 is: 1,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912.44 : 2,638.77 = 1,250.27 : x
  2. Step 2: Convert to fraction form
    1,912.44/2,638.77 = 1,250.27/x
  3. Step 3: Cross multiply
    1,912.44x = 2,638.77 × 1,250.27
  4. Step 4: Simplify right side
    1,912.44x = 3,299,161.77
  5. Step 5: Solve for x
    x = 3,299,161.77/1,912.44
  6. Step 6: Final answer
    x = 1,725.11

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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.