Home / 3,021.21-4,169.24-1,694.90

Finding the Fourth Proportional to 3,021.21, 4,169.24 and 1,694.90

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Solution

The fourth proportional to 3,021.21, 4,169.24 and 1,694.90 is: 2,338.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.21 : 4,169.24 = 1,694.90 : x
  2. Step 2: Convert to fraction form
    3,021.21/4,169.24 = 1,694.90/x
  3. Step 3: Cross multiply
    3,021.21x = 4,169.24 × 1,694.90
  4. Step 4: Simplify right side
    3,021.21x = 7,066,415.56
  5. Step 5: Solve for x
    x = 7,066,415.56/3,021.21
  6. Step 6: Final answer
    x = 2,338.94

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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.