Home / 3,944.05-5,914.80-1,310.85

Finding the Fourth Proportional to 3,944.05, 5,914.80 and 1,310.85

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Solution

The fourth proportional to 3,944.05, 5,914.80 and 1,310.85 is: 1,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.05 : 5,914.80 = 1,310.85 : x
  2. Step 2: Convert to fraction form
    3,944.05/5,914.80 = 1,310.85/x
  3. Step 3: Cross multiply
    3,944.05x = 5,914.80 × 1,310.85
  4. Step 4: Simplify right side
    3,944.05x = 7,753,425.74
  5. Step 5: Solve for x
    x = 7,753,425.74/3,944.05
  6. Step 6: Final answer
    x = 1,965.85

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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.