Home / 3,288.72-4,934.70-2,321.04

Finding the Fourth Proportional to 3,288.72, 4,934.70 and 2,321.04

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Solution

The fourth proportional to 3,288.72, 4,934.70 and 2,321.04 is: 3,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.72 : 4,934.70 = 2,321.04 : x
  2. Step 2: Convert to fraction form
    3,288.72/4,934.70 = 2,321.04/x
  3. Step 3: Cross multiply
    3,288.72x = 4,934.70 × 2,321.04
  4. Step 4: Simplify right side
    3,288.72x = 11,453,636.09
  5. Step 5: Solve for x
    x = 11,453,636.09/3,288.72
  6. Step 6: Final answer
    x = 3,482.70

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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.