Home / 2,821.68-3,894.29-1,703.25

Finding the Fourth Proportional to 2,821.68, 3,894.29 and 1,703.25

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Solution

The fourth proportional to 2,821.68, 3,894.29 and 1,703.25 is: 2,350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.68 : 3,894.29 = 1,703.25 : x
  2. Step 2: Convert to fraction form
    2,821.68/3,894.29 = 1,703.25/x
  3. Step 3: Cross multiply
    2,821.68x = 3,894.29 × 1,703.25
  4. Step 4: Simplify right side
    2,821.68x = 6,632,949.44
  5. Step 5: Solve for x
    x = 6,632,949.44/2,821.68
  6. Step 6: Final answer
    x = 2,350.71

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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.