Home / 3,375.51-5,071.38-3,189.03

Finding the Fourth Proportional to 3,375.51, 5,071.38 and 3,189.03

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Solution

The fourth proportional to 3,375.51, 5,071.38 and 3,189.03 is: 4,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.51 : 5,071.38 = 3,189.03 : x
  2. Step 2: Convert to fraction form
    3,375.51/5,071.38 = 3,189.03/x
  3. Step 3: Cross multiply
    3,375.51x = 5,071.38 × 3,189.03
  4. Step 4: Simplify right side
    3,375.51x = 16,172,782.96
  5. Step 5: Solve for x
    x = 16,172,782.96/3,375.51
  6. Step 6: Final answer
    x = 4,791.21

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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.