Home / 3,519.64-5,274.42-1,789.48

Finding the Fourth Proportional to 3,519.64, 5,274.42 and 1,789.48

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Solution

The fourth proportional to 3,519.64, 5,274.42 and 1,789.48 is: 2,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.64 : 5,274.42 = 1,789.48 : x
  2. Step 2: Convert to fraction form
    3,519.64/5,274.42 = 1,789.48/x
  3. Step 3: Cross multiply
    3,519.64x = 5,274.42 × 1,789.48
  4. Step 4: Simplify right side
    3,519.64x = 9,438,469.10
  5. Step 5: Solve for x
    x = 9,438,469.10/3,519.64
  6. Step 6: Final answer
    x = 2,681.66

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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.