Home / 3,399.08-5,090.40-1,933.79

Finding the Fourth Proportional to 3,399.08, 5,090.40 and 1,933.79

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Solution

The fourth proportional to 3,399.08, 5,090.40 and 1,933.79 is: 2,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.08 : 5,090.40 = 1,933.79 : x
  2. Step 2: Convert to fraction form
    3,399.08/5,090.40 = 1,933.79/x
  3. Step 3: Cross multiply
    3,399.08x = 5,090.40 × 1,933.79
  4. Step 4: Simplify right side
    3,399.08x = 9,843,739.16
  5. Step 5: Solve for x
    x = 9,843,739.16/3,399.08
  6. Step 6: Final answer
    x = 2,896.01

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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.