Home / 3,168.37-4,369.87-2,049.42

Finding the Fourth Proportional to 3,168.37, 4,369.87 and 2,049.42

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Solution

The fourth proportional to 3,168.37, 4,369.87 and 2,049.42 is: 2,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.37 : 4,369.87 = 2,049.42 : x
  2. Step 2: Convert to fraction form
    3,168.37/4,369.87 = 2,049.42/x
  3. Step 3: Cross multiply
    3,168.37x = 4,369.87 × 2,049.42
  4. Step 4: Simplify right side
    3,168.37x = 8,955,698.98
  5. Step 5: Solve for x
    x = 8,955,698.98/3,168.37
  6. Step 6: Final answer
    x = 2,826.60

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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.