Home / 2,112.04-3,165-1,453.24

Finding the Fourth Proportional to 2,112.04, 3,165 and 1,453.24

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Solution

The fourth proportional to 2,112.04, 3,165 and 1,453.24 is: 2,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112.04 : 3,165 = 1,453.24 : x
  2. Step 2: Convert to fraction form
    2,112.04/3,165 = 1,453.24/x
  3. Step 3: Cross multiply
    2,112.04x = 3,165 × 1,453.24
  4. Step 4: Simplify right side
    2,112.04x = 4,599,504.60
  5. Step 5: Solve for x
    x = 4,599,504.60/2,112.04
  6. Step 6: Final answer
    x = 2,177.75

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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.