Home / 3,682.84-5,082.58-2,190.82

Finding the Fourth Proportional to 3,682.84, 5,082.58 and 2,190.82

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Solution

The fourth proportional to 3,682.84, 5,082.58 and 2,190.82 is: 3,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.84 : 5,082.58 = 2,190.82 : x
  2. Step 2: Convert to fraction form
    3,682.84/5,082.58 = 2,190.82/x
  3. Step 3: Cross multiply
    3,682.84x = 5,082.58 × 2,190.82
  4. Step 4: Simplify right side
    3,682.84x = 11,135,017.92
  5. Step 5: Solve for x
    x = 11,135,017.92/3,682.84
  6. Step 6: Final answer
    x = 3,023.49

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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.