Home / 3,377.32-5,065.80-1,185.88

Finding the Fourth Proportional to 3,377.32, 5,065.80 and 1,185.88

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Solution

The fourth proportional to 3,377.32, 5,065.80 and 1,185.88 is: 1,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.32 : 5,065.80 = 1,185.88 : x
  2. Step 2: Convert to fraction form
    3,377.32/5,065.80 = 1,185.88/x
  3. Step 3: Cross multiply
    3,377.32x = 5,065.80 × 1,185.88
  4. Step 4: Simplify right side
    3,377.32x = 6,007,430.90
  5. Step 5: Solve for x
    x = 6,007,430.90/3,377.32
  6. Step 6: Final answer
    x = 1,778.76

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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.