Home / 3,520.46-4,857.87-2,028.14

Finding the Fourth Proportional to 3,520.46, 4,857.87 and 2,028.14

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Solution

The fourth proportional to 3,520.46, 4,857.87 and 2,028.14 is: 2,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.46 : 4,857.87 = 2,028.14 : x
  2. Step 2: Convert to fraction form
    3,520.46/4,857.87 = 2,028.14/x
  3. Step 3: Cross multiply
    3,520.46x = 4,857.87 × 2,028.14
  4. Step 4: Simplify right side
    3,520.46x = 9,852,441.99
  5. Step 5: Solve for x
    x = 9,852,441.99/3,520.46
  6. Step 6: Final answer
    x = 2,798.62

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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.