Home / 2,850.19-3,933.17-1,591.22

Finding the Fourth Proportional to 2,850.19, 3,933.17 and 1,591.22

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Solution

The fourth proportional to 2,850.19, 3,933.17 and 1,591.22 is: 2,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.19 : 3,933.17 = 1,591.22 : x
  2. Step 2: Convert to fraction form
    2,850.19/3,933.17 = 1,591.22/x
  3. Step 3: Cross multiply
    2,850.19x = 3,933.17 × 1,591.22
  4. Step 4: Simplify right side
    2,850.19x = 6,258,538.77
  5. Step 5: Solve for x
    x = 6,258,538.77/2,850.19
  6. Step 6: Final answer
    x = 2,195.83

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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.