Home / 3,028.17-4,181.28-2,020.86

Finding the Fourth Proportional to 3,028.17, 4,181.28 and 2,020.86

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Solution

The fourth proportional to 3,028.17, 4,181.28 and 2,020.86 is: 2,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.17 : 4,181.28 = 2,020.86 : x
  2. Step 2: Convert to fraction form
    3,028.17/4,181.28 = 2,020.86/x
  3. Step 3: Cross multiply
    3,028.17x = 4,181.28 × 2,020.86
  4. Step 4: Simplify right side
    3,028.17x = 8,449,781.50
  5. Step 5: Solve for x
    x = 8,449,781.50/3,028.17
  6. Step 6: Final answer
    x = 2,790.39

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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.