Home / 3,834.22-5,751.88-1,985.54

Finding the Fourth Proportional to 3,834.22, 5,751.88 and 1,985.54

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Solution

The fourth proportional to 3,834.22, 5,751.88 and 1,985.54 is: 2,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.22 : 5,751.88 = 1,985.54 : x
  2. Step 2: Convert to fraction form
    3,834.22/5,751.88 = 1,985.54/x
  3. Step 3: Cross multiply
    3,834.22x = 5,751.88 × 1,985.54
  4. Step 4: Simplify right side
    3,834.22x = 11,420,587.82
  5. Step 5: Solve for x
    x = 11,420,587.82/3,834.22
  6. Step 6: Final answer
    x = 2,978.59

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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.