Home / 3,749.85-5,620.22-2,654.53

Finding the Fourth Proportional to 3,749.85, 5,620.22 and 2,654.53

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Solution

The fourth proportional to 3,749.85, 5,620.22 and 2,654.53 is: 3,978.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.85 : 5,620.22 = 2,654.53 : x
  2. Step 2: Convert to fraction form
    3,749.85/5,620.22 = 2,654.53/x
  3. Step 3: Cross multiply
    3,749.85x = 5,620.22 × 2,654.53
  4. Step 4: Simplify right side
    3,749.85x = 14,919,029.32
  5. Step 5: Solve for x
    x = 14,919,029.32/3,749.85
  6. Step 6: Final answer
    x = 3,978.57

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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.