Home / 3,682.10-5,082.38-2,191.07

Finding the Fourth Proportional to 3,682.10, 5,082.38 and 2,191.07

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Solution

The fourth proportional to 3,682.10, 5,082.38 and 2,191.07 is: 3,024.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.10 : 5,082.38 = 2,191.07 : x
  2. Step 2: Convert to fraction form
    3,682.10/5,082.38 = 2,191.07/x
  3. Step 3: Cross multiply
    3,682.10x = 5,082.38 × 2,191.07
  4. Step 4: Simplify right side
    3,682.10x = 11,135,813.98
  5. Step 5: Solve for x
    x = 11,135,813.98/3,682.10
  6. Step 6: Final answer
    x = 3,024.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.