Home / 2,112.14-3,168.87-1,497.05

Finding the Fourth Proportional to 2,112.14, 3,168.87 and 1,497.05

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Solution

The fourth proportional to 2,112.14, 3,168.87 and 1,497.05 is: 2,246.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112.14 : 3,168.87 = 1,497.05 : x
  2. Step 2: Convert to fraction form
    2,112.14/3,168.87 = 1,497.05/x
  3. Step 3: Cross multiply
    2,112.14x = 3,168.87 × 1,497.05
  4. Step 4: Simplify right side
    2,112.14x = 4,743,940.99
  5. Step 5: Solve for x
    x = 4,743,940.99/2,112.14
  6. Step 6: Final answer
    x = 2,246.04

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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.