Home / 2,683.85-4,021.21-1,297.83

Finding the Fourth Proportional to 2,683.85, 4,021.21 and 1,297.83

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Solution

The fourth proportional to 2,683.85, 4,021.21 and 1,297.83 is: 1,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.85 : 4,021.21 = 1,297.83 : x
  2. Step 2: Convert to fraction form
    2,683.85/4,021.21 = 1,297.83/x
  3. Step 3: Cross multiply
    2,683.85x = 4,021.21 × 1,297.83
  4. Step 4: Simplify right side
    2,683.85x = 5,218,863.68
  5. Step 5: Solve for x
    x = 5,218,863.68/2,683.85
  6. Step 6: Final answer
    x = 1,944.55

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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.