Home / 3,018.38-4,163.94-2,134.67

Finding the Fourth Proportional to 3,018.38, 4,163.94 and 2,134.67

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Solution

The fourth proportional to 3,018.38, 4,163.94 and 2,134.67 is: 2,944.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.38 : 4,163.94 = 2,134.67 : x
  2. Step 2: Convert to fraction form
    3,018.38/4,163.94 = 2,134.67/x
  3. Step 3: Cross multiply
    3,018.38x = 4,163.94 × 2,134.67
  4. Step 4: Simplify right side
    3,018.38x = 8,888,616.98
  5. Step 5: Solve for x
    x = 8,888,616.98/3,018.38
  6. Step 6: Final answer
    x = 2,944.84

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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.