Home / 3,153.45-4,730.91-2,230.86

Finding the Fourth Proportional to 3,153.45, 4,730.91 and 2,230.86

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Solution

The fourth proportional to 3,153.45, 4,730.91 and 2,230.86 is: 3,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.45 : 4,730.91 = 2,230.86 : x
  2. Step 2: Convert to fraction form
    3,153.45/4,730.91 = 2,230.86/x
  3. Step 3: Cross multiply
    3,153.45x = 4,730.91 × 2,230.86
  4. Step 4: Simplify right side
    3,153.45x = 10,553,997.88
  5. Step 5: Solve for x
    x = 10,553,997.88/3,153.45
  6. Step 6: Final answer
    x = 3,346.81

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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.