Home / 3,222.45-4,835.70-1,274.67

Finding the Fourth Proportional to 3,222.45, 4,835.70 and 1,274.67

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Solution

The fourth proportional to 3,222.45, 4,835.70 and 1,274.67 is: 1,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.45 : 4,835.70 = 1,274.67 : x
  2. Step 2: Convert to fraction form
    3,222.45/4,835.70 = 1,274.67/x
  3. Step 3: Cross multiply
    3,222.45x = 4,835.70 × 1,274.67
  4. Step 4: Simplify right side
    3,222.45x = 6,163,921.72
  5. Step 5: Solve for x
    x = 6,163,921.72/3,222.45
  6. Step 6: Final answer
    x = 1,912.81

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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.