Home / 2,863.10-3,951.12-1,744.09

Finding the Fourth Proportional to 2,863.10, 3,951.12 and 1,744.09

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Solution

The fourth proportional to 2,863.10, 3,951.12 and 1,744.09 is: 2,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.10 : 3,951.12 = 1,744.09 : x
  2. Step 2: Convert to fraction form
    2,863.10/3,951.12 = 1,744.09/x
  3. Step 3: Cross multiply
    2,863.10x = 3,951.12 × 1,744.09
  4. Step 4: Simplify right side
    2,863.10x = 6,891,108.88
  5. Step 5: Solve for x
    x = 6,891,108.88/2,863.10
  6. Step 6: Final answer
    x = 2,406.87

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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.