Home / 3,519.43-5,275.84-1,209.31

Finding the Fourth Proportional to 3,519.43, 5,275.84 and 1,209.31

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Solution

The fourth proportional to 3,519.43, 5,275.84 and 1,209.31 is: 1,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.43 : 5,275.84 = 1,209.31 : x
  2. Step 2: Convert to fraction form
    3,519.43/5,275.84 = 1,209.31/x
  3. Step 3: Cross multiply
    3,519.43x = 5,275.84 × 1,209.31
  4. Step 4: Simplify right side
    3,519.43x = 6,380,126.07
  5. Step 5: Solve for x
    x = 6,380,126.07/3,519.43
  6. Step 6: Final answer
    x = 1,812.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.