Home / 3,431.58-5,147.37-1,352.22

Finding the Fourth Proportional to 3,431.58, 5,147.37 and 1,352.22

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Solution

The fourth proportional to 3,431.58, 5,147.37 and 1,352.22 is: 2,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.58 : 5,147.37 = 1,352.22 : x
  2. Step 2: Convert to fraction form
    3,431.58/5,147.37 = 1,352.22/x
  3. Step 3: Cross multiply
    3,431.58x = 5,147.37 × 1,352.22
  4. Step 4: Simplify right side
    3,431.58x = 6,960,376.66
  5. Step 5: Solve for x
    x = 6,960,376.66/3,431.58
  6. Step 6: Final answer
    x = 2,028.33

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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.