Home / 3,682.45-5,515.58-3,394.37

Finding the Fourth Proportional to 3,682.45, 5,515.58 and 3,394.37

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Solution

The fourth proportional to 3,682.45, 5,515.58 and 3,394.37 is: 5,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.45 : 5,515.58 = 3,394.37 : x
  2. Step 2: Convert to fraction form
    3,682.45/5,515.58 = 3,394.37/x
  3. Step 3: Cross multiply
    3,682.45x = 5,515.58 × 3,394.37
  4. Step 4: Simplify right side
    3,682.45x = 18,721,919.28
  5. Step 5: Solve for x
    x = 18,721,919.28/3,682.45
  6. Step 6: Final answer
    x = 5,084.09

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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.