Home / 3,489.26-5,234.68-1,180.76

Finding the Fourth Proportional to 3,489.26, 5,234.68 and 1,180.76

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Solution

The fourth proportional to 3,489.26, 5,234.68 and 1,180.76 is: 1,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.26 : 5,234.68 = 1,180.76 : x
  2. Step 2: Convert to fraction form
    3,489.26/5,234.68 = 1,180.76/x
  3. Step 3: Cross multiply
    3,489.26x = 5,234.68 × 1,180.76
  4. Step 4: Simplify right side
    3,489.26x = 6,180,900.76
  5. Step 5: Solve for x
    x = 6,180,900.76/3,489.26
  6. Step 6: Final answer
    x = 1,771.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.