Home / 3,082.06-4,623.72-1,780.84

Finding the Fourth Proportional to 3,082.06, 4,623.72 and 1,780.84

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Solution

The fourth proportional to 3,082.06, 4,623.72 and 1,780.84 is: 2,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.06 : 4,623.72 = 1,780.84 : x
  2. Step 2: Convert to fraction form
    3,082.06/4,623.72 = 1,780.84/x
  3. Step 3: Cross multiply
    3,082.06x = 4,623.72 × 1,780.84
  4. Step 4: Simplify right side
    3,082.06x = 8,234,105.52
  5. Step 5: Solve for x
    x = 8,234,105.52/3,082.06
  6. Step 6: Final answer
    x = 2,671.62

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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.