Home / 2,808.26-3,894.09-2,714.85

Finding the Fourth Proportional to 2,808.26, 3,894.09 and 2,714.85

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Solution

The fourth proportional to 2,808.26, 3,894.09 and 2,714.85 is: 3,764.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.26 : 3,894.09 = 2,714.85 : x
  2. Step 2: Convert to fraction form
    2,808.26/3,894.09 = 2,714.85/x
  3. Step 3: Cross multiply
    2,808.26x = 3,894.09 × 2,714.85
  4. Step 4: Simplify right side
    2,808.26x = 10,571,870.24
  5. Step 5: Solve for x
    x = 10,571,870.24/2,808.26
  6. Step 6: Final answer
    x = 3,764.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.