Home / 3,274.72-4,911.01-1,082.90

Finding the Fourth Proportional to 3,274.72, 4,911.01 and 1,082.90

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Solution

The fourth proportional to 3,274.72, 4,911.01 and 1,082.90 is: 1,624.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.72 : 4,911.01 = 1,082.90 : x
  2. Step 2: Convert to fraction form
    3,274.72/4,911.01 = 1,082.90/x
  3. Step 3: Cross multiply
    3,274.72x = 4,911.01 × 1,082.90
  4. Step 4: Simplify right side
    3,274.72x = 5,318,132.73
  5. Step 5: Solve for x
    x = 5,318,132.73/3,274.72
  6. Step 6: Final answer
    x = 1,624.00

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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.