Home / 3,396.38-4,687.26-1,904.44

Finding the Fourth Proportional to 3,396.38, 4,687.26 and 1,904.44

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Solution

The fourth proportional to 3,396.38, 4,687.26 and 1,904.44 is: 2,628.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.38 : 4,687.26 = 1,904.44 : x
  2. Step 2: Convert to fraction form
    3,396.38/4,687.26 = 1,904.44/x
  3. Step 3: Cross multiply
    3,396.38x = 4,687.26 × 1,904.44
  4. Step 4: Simplify right side
    3,396.38x = 8,926,605.43
  5. Step 5: Solve for x
    x = 8,926,605.43/3,396.38
  6. Step 6: Final answer
    x = 2,628.27

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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.