Home / 3,376.32-5,065.50-1,185.06

Finding the Fourth Proportional to 3,376.32, 5,065.50 and 1,185.06

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Solution

The fourth proportional to 3,376.32, 5,065.50 and 1,185.06 is: 1,777.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.32 : 5,065.50 = 1,185.06 : x
  2. Step 2: Convert to fraction form
    3,376.32/5,065.50 = 1,185.06/x
  3. Step 3: Cross multiply
    3,376.32x = 5,065.50 × 1,185.06
  4. Step 4: Simplify right side
    3,376.32x = 6,002,921.43
  5. Step 5: Solve for x
    x = 6,002,921.43/3,376.32
  6. Step 6: Final answer
    x = 1,777.95

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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.