Home / 3,818.23-5,727.72-1,185.64

Finding the Fourth Proportional to 3,818.23, 5,727.72 and 1,185.64

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Solution

The fourth proportional to 3,818.23, 5,727.72 and 1,185.64 is: 1,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.23 : 5,727.72 = 1,185.64 : x
  2. Step 2: Convert to fraction form
    3,818.23/5,727.72 = 1,185.64/x
  3. Step 3: Cross multiply
    3,818.23x = 5,727.72 × 1,185.64
  4. Step 4: Simplify right side
    3,818.23x = 6,791,013.94
  5. Step 5: Solve for x
    x = 6,791,013.94/3,818.23
  6. Step 6: Final answer
    x = 1,778.58

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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.