Home / 3,558.56-4,912.18-2,379.20

Finding the Fourth Proportional to 3,558.56, 4,912.18 and 2,379.20

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Solution

The fourth proportional to 3,558.56, 4,912.18 and 2,379.20 is: 3,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.56 : 4,912.18 = 2,379.20 : x
  2. Step 2: Convert to fraction form
    3,558.56/4,912.18 = 2,379.20/x
  3. Step 3: Cross multiply
    3,558.56x = 4,912.18 × 2,379.20
  4. Step 4: Simplify right side
    3,558.56x = 11,687,058.66
  5. Step 5: Solve for x
    x = 11,687,058.66/3,558.56
  6. Step 6: Final answer
    x = 3,284.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.