Home / 3,821.80-5,745.66-3,051.64

Finding the Fourth Proportional to 3,821.80, 5,745.66 and 3,051.64

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Solution

The fourth proportional to 3,821.80, 5,745.66 and 3,051.64 is: 4,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.80 : 5,745.66 = 3,051.64 : x
  2. Step 2: Convert to fraction form
    3,821.80/5,745.66 = 3,051.64/x
  3. Step 3: Cross multiply
    3,821.80x = 5,745.66 × 3,051.64
  4. Step 4: Simplify right side
    3,821.80x = 17,533,685.88
  5. Step 5: Solve for x
    x = 17,533,685.88/3,821.80
  6. Step 6: Final answer
    x = 4,587.81

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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.