Home / 2,863.26-3,951.30-1,604.34

Finding the Fourth Proportional to 2,863.26, 3,951.30 and 1,604.34

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Solution

The fourth proportional to 2,863.26, 3,951.30 and 1,604.34 is: 2,213.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.26 : 3,951.30 = 1,604.34 : x
  2. Step 2: Convert to fraction form
    2,863.26/3,951.30 = 1,604.34/x
  3. Step 3: Cross multiply
    2,863.26x = 3,951.30 × 1,604.34
  4. Step 4: Simplify right side
    2,863.26x = 6,339,228.64
  5. Step 5: Solve for x
    x = 6,339,228.64/2,863.26
  6. Step 6: Final answer
    x = 2,213.99

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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.