Home / 3,399.36-5,099.34-1,319.31

Finding the Fourth Proportional to 3,399.36, 5,099.34 and 1,319.31

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Solution

The fourth proportional to 3,399.36, 5,099.34 and 1,319.31 is: 1,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.36 : 5,099.34 = 1,319.31 : x
  2. Step 2: Convert to fraction form
    3,399.36/5,099.34 = 1,319.31/x
  3. Step 3: Cross multiply
    3,399.36x = 5,099.34 × 1,319.31
  4. Step 4: Simplify right side
    3,399.36x = 6,727,610.26
  5. Step 5: Solve for x
    x = 6,727,610.26/3,399.36
  6. Step 6: Final answer
    x = 1,979.08

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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.