Home / 3,621.26-5,431.89-1,893.26

Finding the Fourth Proportional to 3,621.26, 5,431.89 and 1,893.26

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Solution

The fourth proportional to 3,621.26, 5,431.89 and 1,893.26 is: 2,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.26 : 5,431.89 = 1,893.26 : x
  2. Step 2: Convert to fraction form
    3,621.26/5,431.89 = 1,893.26/x
  3. Step 3: Cross multiply
    3,621.26x = 5,431.89 × 1,893.26
  4. Step 4: Simplify right side
    3,621.26x = 10,283,980.06
  5. Step 5: Solve for x
    x = 10,283,980.06/3,621.26
  6. Step 6: Final answer
    x = 2,839.89

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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.