Home / 3,376.92-5,065.89-1,185.15

Finding the Fourth Proportional to 3,376.92, 5,065.89 and 1,185.15

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Solution

The fourth proportional to 3,376.92, 5,065.89 and 1,185.15 is: 1,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.92 : 5,065.89 = 1,185.15 : x
  2. Step 2: Convert to fraction form
    3,376.92/5,065.89 = 1,185.15/x
  3. Step 3: Cross multiply
    3,376.92x = 5,065.89 × 1,185.15
  4. Step 4: Simplify right side
    3,376.92x = 6,003,839.53
  5. Step 5: Solve for x
    x = 6,003,839.53/3,376.92
  6. Step 6: Final answer
    x = 1,777.90

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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.