Home / 3,447.07-5,172.32-1,367.03

Finding the Fourth Proportional to 3,447.07, 5,172.32 and 1,367.03

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Solution

The fourth proportional to 3,447.07, 5,172.32 and 1,367.03 is: 2,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.07 : 5,172.32 = 1,367.03 : x
  2. Step 2: Convert to fraction form
    3,447.07/5,172.32 = 1,367.03/x
  3. Step 3: Cross multiply
    3,447.07x = 5,172.32 × 1,367.03
  4. Step 4: Simplify right side
    3,447.07x = 7,070,716.61
  5. Step 5: Solve for x
    x = 7,070,716.61/3,447.07
  6. Step 6: Final answer
    x = 2,051.23

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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.