Home / 3,521.25-5,282.01-1,212.75

Finding the Fourth Proportional to 3,521.25, 5,282.01 and 1,212.75

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Solution

The fourth proportional to 3,521.25, 5,282.01 and 1,212.75 is: 1,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.25 : 5,282.01 = 1,212.75 : x
  2. Step 2: Convert to fraction form
    3,521.25/5,282.01 = 1,212.75/x
  3. Step 3: Cross multiply
    3,521.25x = 5,282.01 × 1,212.75
  4. Step 4: Simplify right side
    3,521.25x = 6,405,757.63
  5. Step 5: Solve for x
    x = 6,405,757.63/3,521.25
  6. Step 6: Final answer
    x = 1,819.17

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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.