Home / 3,028.30-4,180.17-2,659.21

Finding the Fourth Proportional to 3,028.30, 4,180.17 and 2,659.21

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Solution

The fourth proportional to 3,028.30, 4,180.17 and 2,659.21 is: 3,670.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.30 : 4,180.17 = 2,659.21 : x
  2. Step 2: Convert to fraction form
    3,028.30/4,180.17 = 2,659.21/x
  3. Step 3: Cross multiply
    3,028.30x = 4,180.17 × 2,659.21
  4. Step 4: Simplify right side
    3,028.30x = 11,115,949.87
  5. Step 5: Solve for x
    x = 11,115,949.87/3,028.30
  6. Step 6: Final answer
    x = 3,670.69

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1.5x scale

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.