Home / 3,455.20-5,174.52-1,892.86

Finding the Fourth Proportional to 3,455.20, 5,174.52 and 1,892.86

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Solution

The fourth proportional to 3,455.20, 5,174.52 and 1,892.86 is: 2,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.20 : 5,174.52 = 1,892.86 : x
  2. Step 2: Convert to fraction form
    3,455.20/5,174.52 = 1,892.86/x
  3. Step 3: Cross multiply
    3,455.20x = 5,174.52 × 1,892.86
  4. Step 4: Simplify right side
    3,455.20x = 9,794,641.93
  5. Step 5: Solve for x
    x = 9,794,641.93/3,455.20
  6. Step 6: Final answer
    x = 2,834.75

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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.