Home / 3,977.67-5,481.36-3,348.30

Finding the Fourth Proportional to 3,977.67, 5,481.36 and 3,348.30

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Solution

The fourth proportional to 3,977.67, 5,481.36 and 3,348.30 is: 4,614.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.67 : 5,481.36 = 3,348.30 : x
  2. Step 2: Convert to fraction form
    3,977.67/5,481.36 = 3,348.30/x
  3. Step 3: Cross multiply
    3,977.67x = 5,481.36 × 3,348.30
  4. Step 4: Simplify right side
    3,977.67x = 18,353,237.69
  5. Step 5: Solve for x
    x = 18,353,237.69/3,977.67
  6. Step 6: Final answer
    x = 4,614.07

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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.