Home / 3,376.47-5,065.92-1,185.54

Finding the Fourth Proportional to 3,376.47, 5,065.92 and 1,185.54

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Solution

The fourth proportional to 3,376.47, 5,065.92 and 1,185.54 is: 1,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.47 : 5,065.92 = 1,185.54 : x
  2. Step 2: Convert to fraction form
    3,376.47/5,065.92 = 1,185.54/x
  3. Step 3: Cross multiply
    3,376.47x = 5,065.92 × 1,185.54
  4. Step 4: Simplify right side
    3,376.47x = 6,005,850.80
  5. Step 5: Solve for x
    x = 6,005,850.80/3,376.47
  6. Step 6: Final answer
    x = 1,778.74

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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.