Home / 1,847.50-2,771.80-1,067.31

Finding the Fourth Proportional to 1,847.50, 2,771.80 and 1,067.31

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Solution

The fourth proportional to 1,847.50, 2,771.80 and 1,067.31 is: 1,601.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.50 : 2,771.80 = 1,067.31 : x
  2. Step 2: Convert to fraction form
    1,847.50/2,771.80 = 1,067.31/x
  3. Step 3: Cross multiply
    1,847.50x = 2,771.80 × 1,067.31
  4. Step 4: Simplify right side
    1,847.50x = 2,958,369.86
  5. Step 5: Solve for x
    x = 2,958,369.86/1,847.50
  6. Step 6: Final answer
    x = 1,601.28

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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.