Home / 3,355.08-4,630.43-2,028.79

Finding the Fourth Proportional to 3,355.08, 4,630.43 and 2,028.79

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Solution

The fourth proportional to 3,355.08, 4,630.43 and 2,028.79 is: 2,799.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.08 : 4,630.43 = 2,028.79 : x
  2. Step 2: Convert to fraction form
    3,355.08/4,630.43 = 2,028.79/x
  3. Step 3: Cross multiply
    3,355.08x = 4,630.43 × 2,028.79
  4. Step 4: Simplify right side
    3,355.08x = 9,394,175.15
  5. Step 5: Solve for x
    x = 9,394,175.15/3,355.08
  6. Step 6: Final answer
    x = 2,799.99

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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.