Home / 3,619.83-5,424.29-1,644.33

Finding the Fourth Proportional to 3,619.83, 5,424.29 and 1,644.33

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Solution

The fourth proportional to 3,619.83, 5,424.29 and 1,644.33 is: 2,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.83 : 5,424.29 = 1,644.33 : x
  2. Step 2: Convert to fraction form
    3,619.83/5,424.29 = 1,644.33/x
  3. Step 3: Cross multiply
    3,619.83x = 5,424.29 × 1,644.33
  4. Step 4: Simplify right side
    3,619.83x = 8,919,314.55
  5. Step 5: Solve for x
    x = 8,919,314.55/3,619.83
  6. Step 6: Final answer
    x = 2,464.01

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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.