Home / 3,812.34-5,716.69-1,619.87

Finding the Fourth Proportional to 3,812.34, 5,716.69 and 1,619.87

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Solution

The fourth proportional to 3,812.34, 5,716.69 and 1,619.87 is: 2,429.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.34 : 5,716.69 = 1,619.87 : x
  2. Step 2: Convert to fraction form
    3,812.34/5,716.69 = 1,619.87/x
  3. Step 3: Cross multiply
    3,812.34x = 5,716.69 × 1,619.87
  4. Step 4: Simplify right side
    3,812.34x = 9,260,304.87
  5. Step 5: Solve for x
    x = 9,260,304.87/3,812.34
  6. Step 6: Final answer
    x = 2,429.03

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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.