Home / 2,285.26-3,418.10-2,119.26

Finding the Fourth Proportional to 2,285.26, 3,418.10 and 2,119.26

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Solution

The fourth proportional to 2,285.26, 3,418.10 and 2,119.26 is: 3,169.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.26 : 3,418.10 = 2,119.26 : x
  2. Step 2: Convert to fraction form
    2,285.26/3,418.10 = 2,119.26/x
  3. Step 3: Cross multiply
    2,285.26x = 3,418.10 × 2,119.26
  4. Step 4: Simplify right side
    2,285.26x = 7,243,852.77
  5. Step 5: Solve for x
    x = 7,243,852.77/2,285.26
  6. Step 6: Final answer
    x = 3,169.81

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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.