Home / 2,190.26-3,282.20-1,020.62

Finding the Fourth Proportional to 2,190.26, 3,282.20 and 1,020.62

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Solution

The fourth proportional to 2,190.26, 3,282.20 and 1,020.62 is: 1,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.26 : 3,282.20 = 1,020.62 : x
  2. Step 2: Convert to fraction form
    2,190.26/3,282.20 = 1,020.62/x
  3. Step 3: Cross multiply
    2,190.26x = 3,282.20 × 1,020.62
  4. Step 4: Simplify right side
    2,190.26x = 3,349,878.96
  5. Step 5: Solve for x
    x = 3,349,878.96/2,190.26
  6. Step 6: Final answer
    x = 1,529.44

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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.