Home / 2,419.67-3,629.71-1,249.22

Finding the Fourth Proportional to 2,419.67, 3,629.71 and 1,249.22

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Solution

The fourth proportional to 2,419.67, 3,629.71 and 1,249.22 is: 1,873.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.67 : 3,629.71 = 1,249.22 : x
  2. Step 2: Convert to fraction form
    2,419.67/3,629.71 = 1,249.22/x
  3. Step 3: Cross multiply
    2,419.67x = 3,629.71 × 1,249.22
  4. Step 4: Simplify right side
    2,419.67x = 4,534,316.96
  5. Step 5: Solve for x
    x = 4,534,316.96/2,419.67
  6. Step 6: Final answer
    x = 1,873.94

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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.