Home / 1,930.33-2,661.85-1,651.49

Finding the Fourth Proportional to 1,930.33, 2,661.85 and 1,651.49

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Solution

The fourth proportional to 1,930.33, 2,661.85 and 1,651.49 is: 2,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.33 : 2,661.85 = 1,651.49 : x
  2. Step 2: Convert to fraction form
    1,930.33/2,661.85 = 1,651.49/x
  3. Step 3: Cross multiply
    1,930.33x = 2,661.85 × 1,651.49
  4. Step 4: Simplify right side
    1,930.33x = 4,396,022.04
  5. Step 5: Solve for x
    x = 4,396,022.04/1,930.33
  6. Step 6: Final answer
    x = 2,277.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.