Home / 3,170.46-4,383.99-2,732.70

Finding the Fourth Proportional to 3,170.46, 4,383.99 and 2,732.70

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Solution

The fourth proportional to 3,170.46, 4,383.99 and 2,732.70 is: 3,778.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.46 : 4,383.99 = 2,732.70 : x
  2. Step 2: Convert to fraction form
    3,170.46/4,383.99 = 2,732.70/x
  3. Step 3: Cross multiply
    3,170.46x = 4,383.99 × 2,732.70
  4. Step 4: Simplify right side
    3,170.46x = 11,980,129.47
  5. Step 5: Solve for x
    x = 11,980,129.47/3,170.46
  6. Step 6: Final answer
    x = 3,778.67

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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.