Home / 2,969.14-4,456.60-1,431.22

Finding the Fourth Proportional to 2,969.14, 4,456.60 and 1,431.22

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Solution

The fourth proportional to 2,969.14, 4,456.60 and 1,431.22 is: 2,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.14 : 4,456.60 = 1,431.22 : x
  2. Step 2: Convert to fraction form
    2,969.14/4,456.60 = 1,431.22/x
  3. Step 3: Cross multiply
    2,969.14x = 4,456.60 × 1,431.22
  4. Step 4: Simplify right side
    2,969.14x = 6,378,375.05
  5. Step 5: Solve for x
    x = 6,378,375.05/2,969.14
  6. Step 6: Final answer
    x = 2,148.22

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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.