Home / 1,484.29-2,227.42-791.43

Finding the Fourth Proportional to 1,484.29, 2,227.42 and 791.43

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Solution

The fourth proportional to 1,484.29, 2,227.42 and 791.43 is: 1,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.29 : 2,227.42 = 791.43 : x
  2. Step 2: Convert to fraction form
    1,484.29/2,227.42 = 791.43/x
  3. Step 3: Cross multiply
    1,484.29x = 2,227.42 × 791.43
  4. Step 4: Simplify right side
    1,484.29x = 1,762,847.01
  5. Step 5: Solve for x
    x = 1,762,847.01/1,484.29
  6. Step 6: Final answer
    x = 1,187.67

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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.