Home / 3,210.75-4,818.15-2,481.75

Finding the Fourth Proportional to 3,210.75, 4,818.15 and 2,481.75

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Solution

The fourth proportional to 3,210.75, 4,818.15 and 2,481.75 is: 3,724.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.75 : 4,818.15 = 2,481.75 : x
  2. Step 2: Convert to fraction form
    3,210.75/4,818.15 = 2,481.75/x
  3. Step 3: Cross multiply
    3,210.75x = 4,818.15 × 2,481.75
  4. Step 4: Simplify right side
    3,210.75x = 11,957,443.76
  5. Step 5: Solve for x
    x = 11,957,443.76/3,210.75
  6. Step 6: Final answer
    x = 3,724.19

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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.