Home / 3,354.78-4,626.75-2,028.21

Finding the Fourth Proportional to 3,354.78, 4,626.75 and 2,028.21

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Solution

The fourth proportional to 3,354.78, 4,626.75 and 2,028.21 is: 2,797.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.78 : 4,626.75 = 2,028.21 : x
  2. Step 2: Convert to fraction form
    3,354.78/4,626.75 = 2,028.21/x
  3. Step 3: Cross multiply
    3,354.78x = 4,626.75 × 2,028.21
  4. Step 4: Simplify right side
    3,354.78x = 9,384,020.62
  5. Step 5: Solve for x
    x = 9,384,020.62/3,354.78
  6. Step 6: Final answer
    x = 2,797.21

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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.