Home / 3,809.22-5,716.71-1,619.48

Finding the Fourth Proportional to 3,809.22, 5,716.71 and 1,619.48

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Solution

The fourth proportional to 3,809.22, 5,716.71 and 1,619.48 is: 2,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.22 : 5,716.71 = 1,619.48 : x
  2. Step 2: Convert to fraction form
    3,809.22/5,716.71 = 1,619.48/x
  3. Step 3: Cross multiply
    3,809.22x = 5,716.71 × 1,619.48
  4. Step 4: Simplify right side
    3,809.22x = 9,258,097.51
  5. Step 5: Solve for x
    x = 9,258,097.51/3,809.22
  6. Step 6: Final answer
    x = 2,430.44

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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.