Home / 3,519.54-5,275.90-1,958.12

Finding the Fourth Proportional to 3,519.54, 5,275.90 and 1,958.12

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Solution

The fourth proportional to 3,519.54, 5,275.90 and 1,958.12 is: 2,935.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.54 : 5,275.90 = 1,958.12 : x
  2. Step 2: Convert to fraction form
    3,519.54/5,275.90 = 1,958.12/x
  3. Step 3: Cross multiply
    3,519.54x = 5,275.90 × 1,958.12
  4. Step 4: Simplify right side
    3,519.54x = 10,330,814.03
  5. Step 5: Solve for x
    x = 10,330,814.03/3,519.54
  6. Step 6: Final answer
    x = 2,935.27

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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.