Home / 3,253.84-4,879.92-2,321.68

Finding the Fourth Proportional to 3,253.84, 4,879.92 and 2,321.68

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Solution

The fourth proportional to 3,253.84, 4,879.92 and 2,321.68 is: 3,481.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.84 : 4,879.92 = 2,321.68 : x
  2. Step 2: Convert to fraction form
    3,253.84/4,879.92 = 2,321.68/x
  3. Step 3: Cross multiply
    3,253.84x = 4,879.92 × 2,321.68
  4. Step 4: Simplify right side
    3,253.84x = 11,329,612.67
  5. Step 5: Solve for x
    x = 11,329,612.67/3,253.84
  6. Step 6: Final answer
    x = 3,481.92

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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.