Home / 4,100.20-6,150.90-2,152.56

Finding the Fourth Proportional to 4,100.20, 6,150.90 and 2,152.56

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Solution

The fourth proportional to 4,100.20, 6,150.90 and 2,152.56 is: 3,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.20 : 6,150.90 = 2,152.56 : x
  2. Step 2: Convert to fraction form
    4,100.20/6,150.90 = 2,152.56/x
  3. Step 3: Cross multiply
    4,100.20x = 6,150.90 × 2,152.56
  4. Step 4: Simplify right side
    4,100.20x = 13,240,181.30
  5. Step 5: Solve for x
    x = 13,240,181.30/4,100.20
  6. Step 6: Final answer
    x = 3,229.15

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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.