Home / 2,863.36-3,951.30-1,604.26

Finding the Fourth Proportional to 2,863.36, 3,951.30 and 1,604.26

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Solution

The fourth proportional to 2,863.36, 3,951.30 and 1,604.26 is: 2,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.36 : 3,951.30 = 1,604.26 : x
  2. Step 2: Convert to fraction form
    2,863.36/3,951.30 = 1,604.26/x
  3. Step 3: Cross multiply
    2,863.36x = 3,951.30 × 1,604.26
  4. Step 4: Simplify right side
    2,863.36x = 6,338,912.54
  5. Step 5: Solve for x
    x = 6,338,912.54/2,863.36
  6. Step 6: Final answer
    x = 2,213.80

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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.