Home / 2,213.26-3,054.44-1,329.08

Finding the Fourth Proportional to 2,213.26, 3,054.44 and 1,329.08

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Solution

The fourth proportional to 2,213.26, 3,054.44 and 1,329.08 is: 1,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.26 : 3,054.44 = 1,329.08 : x
  2. Step 2: Convert to fraction form
    2,213.26/3,054.44 = 1,329.08/x
  3. Step 3: Cross multiply
    2,213.26x = 3,054.44 × 1,329.08
  4. Step 4: Simplify right side
    2,213.26x = 4,059,583.17
  5. Step 5: Solve for x
    x = 4,059,583.17/2,213.26
  6. Step 6: Final answer
    x = 1,834.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.