Home / 3,161.42-4,742.13-1,082.92

Finding the Fourth Proportional to 3,161.42, 4,742.13 and 1,082.92

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Solution

The fourth proportional to 3,161.42, 4,742.13 and 1,082.92 is: 1,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.42 : 4,742.13 = 1,082.92 : x
  2. Step 2: Convert to fraction form
    3,161.42/4,742.13 = 1,082.92/x
  3. Step 3: Cross multiply
    3,161.42x = 4,742.13 × 1,082.92
  4. Step 4: Simplify right side
    3,161.42x = 5,135,350.13
  5. Step 5: Solve for x
    x = 5,135,350.13/3,161.42
  6. Step 6: Final answer
    x = 1,624.38

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1.5x scale

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.