Home / 3,520.28-4,857.94-2,028.17

Finding the Fourth Proportional to 3,520.28, 4,857.94 and 2,028.17

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Solution

The fourth proportional to 3,520.28, 4,857.94 and 2,028.17 is: 2,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.28 : 4,857.94 = 2,028.17 : x
  2. Step 2: Convert to fraction form
    3,520.28/4,857.94 = 2,028.17/x
  3. Step 3: Cross multiply
    3,520.28x = 4,857.94 × 2,028.17
  4. Step 4: Simplify right side
    3,520.28x = 9,852,728.17
  5. Step 5: Solve for x
    x = 9,852,728.17/3,520.28
  6. Step 6: Final answer
    x = 2,798.85

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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.