Home / 3,021.73-4,531.64-969.25

Finding the Fourth Proportional to 3,021.73, 4,531.64 and 969.25

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Solution

The fourth proportional to 3,021.73, 4,531.64 and 969.25 is: 1,453.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.73 : 4,531.64 = 969.25 : x
  2. Step 2: Convert to fraction form
    3,021.73/4,531.64 = 969.25/x
  3. Step 3: Cross multiply
    3,021.73x = 4,531.64 × 969.25
  4. Step 4: Simplify right side
    3,021.73x = 4,392,287.22
  5. Step 5: Solve for x
    x = 4,392,287.22/3,021.73
  6. Step 6: Final answer
    x = 1,453.57

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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.