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Finding the Fourth Proportional to 3,453.27, 5,180.85 and 2,927.85

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Solution

The fourth proportional to 3,453.27, 5,180.85 and 2,927.85 is: 4,392.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.27 : 5,180.85 = 2,927.85 : x
  2. Step 2: Convert to fraction form
    3,453.27/5,180.85 = 2,927.85/x
  3. Step 3: Cross multiply
    3,453.27x = 5,180.85 × 2,927.85
  4. Step 4: Simplify right side
    3,453.27x = 15,168,751.67
  5. Step 5: Solve for x
    x = 15,168,751.67/3,453.27
  6. Step 6: Final answer
    x = 4,392.58

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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.