Home / 3,082.60-4,622.82-1,438.84

Finding the Fourth Proportional to 3,082.60, 4,622.82 and 1,438.84

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Solution

The fourth proportional to 3,082.60, 4,622.82 and 1,438.84 is: 2,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.60 : 4,622.82 = 1,438.84 : x
  2. Step 2: Convert to fraction form
    3,082.60/4,622.82 = 1,438.84/x
  3. Step 3: Cross multiply
    3,082.60x = 4,622.82 × 1,438.84
  4. Step 4: Simplify right side
    3,082.60x = 6,651,498.33
  5. Step 5: Solve for x
    x = 6,651,498.33/3,082.60
  6. Step 6: Final answer
    x = 2,157.76

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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.