Home / 3,944.45-5,920.77-2,905.62

Finding the Fourth Proportional to 3,944.45, 5,920.77 and 2,905.62

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Solution

The fourth proportional to 3,944.45, 5,920.77 and 2,905.62 is: 4,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.45 : 5,920.77 = 2,905.62 : x
  2. Step 2: Convert to fraction form
    3,944.45/5,920.77 = 2,905.62/x
  3. Step 3: Cross multiply
    3,944.45x = 5,920.77 × 2,905.62
  4. Step 4: Simplify right side
    3,944.45x = 17,203,507.73
  5. Step 5: Solve for x
    x = 17,203,507.73/3,944.45
  6. Step 6: Final answer
    x = 4,361.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.