Home / 3,954.06-5,930.97-1,645.50

Finding the Fourth Proportional to 3,954.06, 5,930.97 and 1,645.50

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Solution

The fourth proportional to 3,954.06, 5,930.97 and 1,645.50 is: 2,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.06 : 5,930.97 = 1,645.50 : x
  2. Step 2: Convert to fraction form
    3,954.06/5,930.97 = 1,645.50/x
  3. Step 3: Cross multiply
    3,954.06x = 5,930.97 × 1,645.50
  4. Step 4: Simplify right side
    3,954.06x = 9,759,411.14
  5. Step 5: Solve for x
    x = 9,759,411.14/3,954.06
  6. Step 6: Final answer
    x = 2,468.20

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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.