Home / 3,739.86-5,610.89-1,107.43

Finding the Fourth Proportional to 3,739.86, 5,610.89 and 1,107.43

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Solution

The fourth proportional to 3,739.86, 5,610.89 and 1,107.43 is: 1,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.86 : 5,610.89 = 1,107.43 : x
  2. Step 2: Convert to fraction form
    3,739.86/5,610.89 = 1,107.43/x
  3. Step 3: Cross multiply
    3,739.86x = 5,610.89 × 1,107.43
  4. Step 4: Simplify right side
    3,739.86x = 6,213,692.21
  5. Step 5: Solve for x
    x = 6,213,692.21/3,739.86
  6. Step 6: Final answer
    x = 1,661.48

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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.