Home / 2,834.08-3,910.92-1,575.21

Finding the Fourth Proportional to 2,834.08, 3,910.92 and 1,575.21

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Solution

The fourth proportional to 2,834.08, 3,910.92 and 1,575.21 is: 2,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.08 : 3,910.92 = 1,575.21 : x
  2. Step 2: Convert to fraction form
    2,834.08/3,910.92 = 1,575.21/x
  3. Step 3: Cross multiply
    2,834.08x = 3,910.92 × 1,575.21
  4. Step 4: Simplify right side
    2,834.08x = 6,160,520.29
  5. Step 5: Solve for x
    x = 6,160,520.29/2,834.08
  6. Step 6: Final answer
    x = 2,173.73

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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.