Home / 4,079.35-6,119.81-1,739.31

Finding the Fourth Proportional to 4,079.35, 6,119.81 and 1,739.31

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Solution

The fourth proportional to 4,079.35, 6,119.81 and 1,739.31 is: 2,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.35 : 6,119.81 = 1,739.31 : x
  2. Step 2: Convert to fraction form
    4,079.35/6,119.81 = 1,739.31/x
  3. Step 3: Cross multiply
    4,079.35x = 6,119.81 × 1,739.31
  4. Step 4: Simplify right side
    4,079.35x = 10,644,238.03
  5. Step 5: Solve for x
    x = 10,644,238.03/4,079.35
  6. Step 6: Final answer
    x = 2,609.30

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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.