Home / 3,028.03-4,180.43-1,981.91

Finding the Fourth Proportional to 3,028.03, 4,180.43 and 1,981.91

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Solution

The fourth proportional to 3,028.03, 4,180.43 and 1,981.91 is: 2,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.03 : 4,180.43 = 1,981.91 : x
  2. Step 2: Convert to fraction form
    3,028.03/4,180.43 = 1,981.91/x
  3. Step 3: Cross multiply
    3,028.03x = 4,180.43 × 1,981.91
  4. Step 4: Simplify right side
    3,028.03x = 8,285,236.02
  5. Step 5: Solve for x
    x = 8,285,236.02/3,028.03
  6. Step 6: Final answer
    x = 2,736.18

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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.