Home / 1,847.38-2,771.22-1,329.79

Finding the Fourth Proportional to 1,847.38, 2,771.22 and 1,329.79

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Solution

The fourth proportional to 1,847.38, 2,771.22 and 1,329.79 is: 1,994.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.38 : 2,771.22 = 1,329.79 : x
  2. Step 2: Convert to fraction form
    1,847.38/2,771.22 = 1,329.79/x
  3. Step 3: Cross multiply
    1,847.38x = 2,771.22 × 1,329.79
  4. Step 4: Simplify right side
    1,847.38x = 3,685,120.14
  5. Step 5: Solve for x
    x = 3,685,120.14/1,847.38
  6. Step 6: Final answer
    x = 1,994.79

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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.