Home / 3,168.37-4,373.72-2,178.73

Finding the Fourth Proportional to 3,168.37, 4,373.72 and 2,178.73

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Solution

The fourth proportional to 3,168.37, 4,373.72 and 2,178.73 is: 3,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.37 : 4,373.72 = 2,178.73 : x
  2. Step 2: Convert to fraction form
    3,168.37/4,373.72 = 2,178.73/x
  3. Step 3: Cross multiply
    3,168.37x = 4,373.72 × 2,178.73
  4. Step 4: Simplify right side
    3,168.37x = 9,529,154.98
  5. Step 5: Solve for x
    x = 9,529,154.98/3,168.37
  6. Step 6: Final answer
    x = 3,007.59

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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.