Home / 3,559.56-5,334.48-3,131.88

Finding the Fourth Proportional to 3,559.56, 5,334.48 and 3,131.88

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Solution

The fourth proportional to 3,559.56, 5,334.48 and 3,131.88 is: 4,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.56 : 5,334.48 = 3,131.88 : x
  2. Step 2: Convert to fraction form
    3,559.56/5,334.48 = 3,131.88/x
  3. Step 3: Cross multiply
    3,559.56x = 5,334.48 × 3,131.88
  4. Step 4: Simplify right side
    3,559.56x = 16,706,951.22
  5. Step 5: Solve for x
    x = 16,706,951.22/3,559.56
  6. Step 6: Final answer
    x = 4,693.54

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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.