Home / 2,687.35-4,026.46-1,301.33

Finding the Fourth Proportional to 2,687.35, 4,026.46 and 1,301.33

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Solution

The fourth proportional to 2,687.35, 4,026.46 and 1,301.33 is: 1,949.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.35 : 4,026.46 = 1,301.33 : x
  2. Step 2: Convert to fraction form
    2,687.35/4,026.46 = 1,301.33/x
  3. Step 3: Cross multiply
    2,687.35x = 4,026.46 × 1,301.33
  4. Step 4: Simplify right side
    2,687.35x = 5,239,753.19
  5. Step 5: Solve for x
    x = 5,239,753.19/2,687.35
  6. Step 6: Final answer
    x = 1,949.78

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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.