Home / 2,405.44-3,608.48-1,172.68

Finding the Fourth Proportional to 2,405.44, 3,608.48 and 1,172.68

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Solution

The fourth proportional to 2,405.44, 3,608.48 and 1,172.68 is: 1,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.44 : 3,608.48 = 1,172.68 : x
  2. Step 2: Convert to fraction form
    2,405.44/3,608.48 = 1,172.68/x
  3. Step 3: Cross multiply
    2,405.44x = 3,608.48 × 1,172.68
  4. Step 4: Simplify right side
    2,405.44x = 4,231,592.33
  5. Step 5: Solve for x
    x = 4,231,592.33/2,405.44
  6. Step 6: Final answer
    x = 1,759.18

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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.