Home / 3,220.56-4,828.68-2,180.52

Finding the Fourth Proportional to 3,220.56, 4,828.68 and 2,180.52

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Solution

The fourth proportional to 3,220.56, 4,828.68 and 2,180.52 is: 3,269.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.56 : 4,828.68 = 2,180.52 : x
  2. Step 2: Convert to fraction form
    3,220.56/4,828.68 = 2,180.52/x
  3. Step 3: Cross multiply
    3,220.56x = 4,828.68 × 2,180.52
  4. Step 4: Simplify right side
    3,220.56x = 10,529,033.31
  5. Step 5: Solve for x
    x = 10,529,033.31/3,220.56
  6. Step 6: Final answer
    x = 3,269.32

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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.