Home / 3,968.15-5,954.25-1,629.95

Finding the Fourth Proportional to 3,968.15, 5,954.25 and 1,629.95

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Solution

The fourth proportional to 3,968.15, 5,954.25 and 1,629.95 is: 2,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.15 : 5,954.25 = 1,629.95 : x
  2. Step 2: Convert to fraction form
    3,968.15/5,954.25 = 1,629.95/x
  3. Step 3: Cross multiply
    3,968.15x = 5,954.25 × 1,629.95
  4. Step 4: Simplify right side
    3,968.15x = 9,705,129.79
  5. Step 5: Solve for x
    x = 9,705,129.79/3,968.15
  6. Step 6: Final answer
    x = 2,445.76

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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.