Home / 3,651.48-5,473.98-2,789.64

Finding the Fourth Proportional to 3,651.48, 5,473.98 and 2,789.64

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Solution

The fourth proportional to 3,651.48, 5,473.98 and 2,789.64 is: 4,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.48 : 5,473.98 = 2,789.64 : x
  2. Step 2: Convert to fraction form
    3,651.48/5,473.98 = 2,789.64/x
  3. Step 3: Cross multiply
    3,651.48x = 5,473.98 × 2,789.64
  4. Step 4: Simplify right side
    3,651.48x = 15,270,433.57
  5. Step 5: Solve for x
    x = 15,270,433.57/3,651.48
  6. Step 6: Final answer
    x = 4,181.98

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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.