Home / 3,199.86-4,404.92-2,774.34

Finding the Fourth Proportional to 3,199.86, 4,404.92 and 2,774.34

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Solution

The fourth proportional to 3,199.86, 4,404.92 and 2,774.34 is: 3,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.86 : 4,404.92 = 2,774.34 : x
  2. Step 2: Convert to fraction form
    3,199.86/4,404.92 = 2,774.34/x
  3. Step 3: Cross multiply
    3,199.86x = 4,404.92 × 2,774.34
  4. Step 4: Simplify right side
    3,199.86x = 12,220,731.88
  5. Step 5: Solve for x
    x = 12,220,731.88/3,199.86
  6. Step 6: Final answer
    x = 3,819.15

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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.