Home / 3,184.67-4,778.44-1,723.78

Finding the Fourth Proportional to 3,184.67, 4,778.44 and 1,723.78

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Solution

The fourth proportional to 3,184.67, 4,778.44 and 1,723.78 is: 2,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.67 : 4,778.44 = 1,723.78 : x
  2. Step 2: Convert to fraction form
    3,184.67/4,778.44 = 1,723.78/x
  3. Step 3: Cross multiply
    3,184.67x = 4,778.44 × 1,723.78
  4. Step 4: Simplify right side
    3,184.67x = 8,236,990.66
  5. Step 5: Solve for x
    x = 8,236,990.66/3,184.67
  6. Step 6: Final answer
    x = 2,586.45

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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.