Home / 3,186.44-4,780.48-1,723.58

Finding the Fourth Proportional to 3,186.44, 4,780.48 and 1,723.58

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Solution

The fourth proportional to 3,186.44, 4,780.48 and 1,723.58 is: 2,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.44 : 4,780.48 = 1,723.58 : x
  2. Step 2: Convert to fraction form
    3,186.44/4,780.48 = 1,723.58/x
  3. Step 3: Cross multiply
    3,186.44x = 4,780.48 × 1,723.58
  4. Step 4: Simplify right side
    3,186.44x = 8,239,539.72
  5. Step 5: Solve for x
    x = 8,239,539.72/3,186.44
  6. Step 6: Final answer
    x = 2,585.81

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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.