Home / 3,200.42-4,414.84-2,005.15

Finding the Fourth Proportional to 3,200.42, 4,414.84 and 2,005.15

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Solution

The fourth proportional to 3,200.42, 4,414.84 and 2,005.15 is: 2,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.42 : 4,414.84 = 2,005.15 : x
  2. Step 2: Convert to fraction form
    3,200.42/4,414.84 = 2,005.15/x
  3. Step 3: Cross multiply
    3,200.42x = 4,414.84 × 2,005.15
  4. Step 4: Simplify right side
    3,200.42x = 8,852,400.38
  5. Step 5: Solve for x
    x = 8,852,400.38/3,200.42
  6. Step 6: Final answer
    x = 2,766.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.