Home / 3,192.53-4,789.40-1,243.67

Finding the Fourth Proportional to 3,192.53, 4,789.40 and 1,243.67

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Solution

The fourth proportional to 3,192.53, 4,789.40 and 1,243.67 is: 1,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.53 : 4,789.40 = 1,243.67 : x
  2. Step 2: Convert to fraction form
    3,192.53/4,789.40 = 1,243.67/x
  3. Step 3: Cross multiply
    3,192.53x = 4,789.40 × 1,243.67
  4. Step 4: Simplify right side
    3,192.53x = 5,956,402.93
  5. Step 5: Solve for x
    x = 5,956,402.93/3,192.53
  6. Step 6: Final answer
    x = 1,865.73

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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.