Home / 3,447.82-4,755.88-3,006.78

Finding the Fourth Proportional to 3,447.82, 4,755.88 and 3,006.78

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Solution

The fourth proportional to 3,447.82, 4,755.88 and 3,006.78 is: 4,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.82 : 4,755.88 = 3,006.78 : x
  2. Step 2: Convert to fraction form
    3,447.82/4,755.88 = 3,006.78/x
  3. Step 3: Cross multiply
    3,447.82x = 4,755.88 × 3,006.78
  4. Step 4: Simplify right side
    3,447.82x = 14,299,884.87
  5. Step 5: Solve for x
    x = 14,299,884.87/3,447.82
  6. Step 6: Final answer
    x = 4,147.51

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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.