Home / 2,861.73-3,949.97-1,683.18

Finding the Fourth Proportional to 2,861.73, 3,949.97 and 1,683.18

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Solution

The fourth proportional to 2,861.73, 3,949.97 and 1,683.18 is: 2,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.73 : 3,949.97 = 1,683.18 : x
  2. Step 2: Convert to fraction form
    2,861.73/3,949.97 = 1,683.18/x
  3. Step 3: Cross multiply
    2,861.73x = 3,949.97 × 1,683.18
  4. Step 4: Simplify right side
    2,861.73x = 6,648,502.09
  5. Step 5: Solve for x
    x = 6,648,502.09/2,861.73
  6. Step 6: Final answer
    x = 2,323.25

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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.