Home / 3,559.89-5,337.06-2,172.98

Finding the Fourth Proportional to 3,559.89, 5,337.06 and 2,172.98

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Solution

The fourth proportional to 3,559.89, 5,337.06 and 2,172.98 is: 3,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.89 : 5,337.06 = 2,172.98 : x
  2. Step 2: Convert to fraction form
    3,559.89/5,337.06 = 2,172.98/x
  3. Step 3: Cross multiply
    3,559.89x = 5,337.06 × 2,172.98
  4. Step 4: Simplify right side
    3,559.89x = 11,597,324.64
  5. Step 5: Solve for x
    x = 11,597,324.64/3,559.89
  6. Step 6: Final answer
    x = 3,257.78

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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.