Home / 3,449.58-5,172.96-1,369.30

Finding the Fourth Proportional to 3,449.58, 5,172.96 and 1,369.30

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Solution

The fourth proportional to 3,449.58, 5,172.96 and 1,369.30 is: 2,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.58 : 5,172.96 = 1,369.30 : x
  2. Step 2: Convert to fraction form
    3,449.58/5,172.96 = 1,369.30/x
  3. Step 3: Cross multiply
    3,449.58x = 5,172.96 × 1,369.30
  4. Step 4: Simplify right side
    3,449.58x = 7,083,327.28
  5. Step 5: Solve for x
    x = 7,083,327.28/3,449.58
  6. Step 6: Final answer
    x = 2,053.39

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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.