Home / 3,830.67-5,749.86-2,581.11

Finding the Fourth Proportional to 3,830.67, 5,749.86 and 2,581.11

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Solution

The fourth proportional to 3,830.67, 5,749.86 and 2,581.11 is: 3,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.67 : 5,749.86 = 2,581.11 : x
  2. Step 2: Convert to fraction form
    3,830.67/5,749.86 = 2,581.11/x
  3. Step 3: Cross multiply
    3,830.67x = 5,749.86 × 2,581.11
  4. Step 4: Simplify right side
    3,830.67x = 14,841,021.14
  5. Step 5: Solve for x
    x = 14,841,021.14/3,830.67
  6. Step 6: Final answer
    x = 3,874.26

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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.