Home / 3,216.27-4,820.76-1,481.25

Finding the Fourth Proportional to 3,216.27, 4,820.76 and 1,481.25

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Solution

The fourth proportional to 3,216.27, 4,820.76 and 1,481.25 is: 2,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.27 : 4,820.76 = 1,481.25 : x
  2. Step 2: Convert to fraction form
    3,216.27/4,820.76 = 1,481.25/x
  3. Step 3: Cross multiply
    3,216.27x = 4,820.76 × 1,481.25
  4. Step 4: Simplify right side
    3,216.27x = 7,140,750.75
  5. Step 5: Solve for x
    x = 7,140,750.75/3,216.27
  6. Step 6: Final answer
    x = 2,220.20

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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.