Home / 3,355.45-4,629.81-2,028.89

Finding the Fourth Proportional to 3,355.45, 4,629.81 and 2,028.89

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Solution

The fourth proportional to 3,355.45, 4,629.81 and 2,028.89 is: 2,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.45 : 4,629.81 = 2,028.89 : x
  2. Step 2: Convert to fraction form
    3,355.45/4,629.81 = 2,028.89/x
  3. Step 3: Cross multiply
    3,355.45x = 4,629.81 × 2,028.89
  4. Step 4: Simplify right side
    3,355.45x = 9,393,375.21
  5. Step 5: Solve for x
    x = 9,393,375.21/3,355.45
  6. Step 6: Final answer
    x = 2,799.44

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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.