Home / 2,180.30-3,267.71-1,082.70

Finding the Fourth Proportional to 2,180.30, 3,267.71 and 1,082.70

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Solution

The fourth proportional to 2,180.30, 3,267.71 and 1,082.70 is: 1,622.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.30 : 3,267.71 = 1,082.70 : x
  2. Step 2: Convert to fraction form
    2,180.30/3,267.71 = 1,082.70/x
  3. Step 3: Cross multiply
    2,180.30x = 3,267.71 × 1,082.70
  4. Step 4: Simplify right side
    2,180.30x = 3,537,944.20
  5. Step 5: Solve for x
    x = 3,537,944.20/2,180.30
  6. Step 6: Final answer
    x = 1,622.69

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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.