Home / 3,319.72-4,981.84-2,150.26

Finding the Fourth Proportional to 3,319.72, 4,981.84 and 2,150.26

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Solution

The fourth proportional to 3,319.72, 4,981.84 and 2,150.26 is: 3,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.72 : 4,981.84 = 2,150.26 : x
  2. Step 2: Convert to fraction form
    3,319.72/4,981.84 = 2,150.26/x
  3. Step 3: Cross multiply
    3,319.72x = 4,981.84 × 2,150.26
  4. Step 4: Simplify right side
    3,319.72x = 10,712,251.28
  5. Step 5: Solve for x
    x = 10,712,251.28/3,319.72
  6. Step 6: Final answer
    x = 3,226.85

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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.