Home / 3,399.45-5,090.96-1,934.16

Finding the Fourth Proportional to 3,399.45, 5,090.96 and 1,934.16

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Solution

The fourth proportional to 3,399.45, 5,090.96 and 1,934.16 is: 2,896.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.45 : 5,090.96 = 1,934.16 : x
  2. Step 2: Convert to fraction form
    3,399.45/5,090.96 = 1,934.16/x
  3. Step 3: Cross multiply
    3,399.45x = 5,090.96 × 1,934.16
  4. Step 4: Simplify right side
    3,399.45x = 9,846,736.03
  5. Step 5: Solve for x
    x = 9,846,736.03/3,399.45
  6. Step 6: Final answer
    x = 2,896.57

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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.