Home / 3,451.57-5,180.46-2,215.24

Finding the Fourth Proportional to 3,451.57, 5,180.46 and 2,215.24

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Solution

The fourth proportional to 3,451.57, 5,180.46 and 2,215.24 is: 3,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.57 : 5,180.46 = 2,215.24 : x
  2. Step 2: Convert to fraction form
    3,451.57/5,180.46 = 2,215.24/x
  3. Step 3: Cross multiply
    3,451.57x = 5,180.46 × 2,215.24
  4. Step 4: Simplify right side
    3,451.57x = 11,475,962.21
  5. Step 5: Solve for x
    x = 11,475,962.21/3,451.57
  6. Step 6: Final answer
    x = 3,324.85

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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.