Home / 2,194.67-3,028.68-1,310.99

Finding the Fourth Proportional to 2,194.67, 3,028.68 and 1,310.99

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Solution

The fourth proportional to 2,194.67, 3,028.68 and 1,310.99 is: 1,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.67 : 3,028.68 = 1,310.99 : x
  2. Step 2: Convert to fraction form
    2,194.67/3,028.68 = 1,310.99/x
  3. Step 3: Cross multiply
    2,194.67x = 3,028.68 × 1,310.99
  4. Step 4: Simplify right side
    2,194.67x = 3,970,569.19
  5. Step 5: Solve for x
    x = 3,970,569.19/2,194.67
  6. Step 6: Final answer
    x = 1,809.19

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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.