Home / 3,553.42-4,906.82-2,229.40

Finding the Fourth Proportional to 3,553.42, 4,906.82 and 2,229.40

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Solution

The fourth proportional to 3,553.42, 4,906.82 and 2,229.40 is: 3,078.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.42 : 4,906.82 = 2,229.40 : x
  2. Step 2: Convert to fraction form
    3,553.42/4,906.82 = 2,229.40/x
  3. Step 3: Cross multiply
    3,553.42x = 4,906.82 × 2,229.40
  4. Step 4: Simplify right side
    3,553.42x = 10,939,264.51
  5. Step 5: Solve for x
    x = 10,939,264.51/3,553.42
  6. Step 6: Final answer
    x = 3,078.52

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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.