Home / 3,884.05-5,828.70-1,419.62

Finding the Fourth Proportional to 3,884.05, 5,828.70 and 1,419.62

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Solution

The fourth proportional to 3,884.05, 5,828.70 and 1,419.62 is: 2,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.05 : 5,828.70 = 1,419.62 : x
  2. Step 2: Convert to fraction form
    3,884.05/5,828.70 = 1,419.62/x
  3. Step 3: Cross multiply
    3,884.05x = 5,828.70 × 1,419.62
  4. Step 4: Simplify right side
    3,884.05x = 8,274,539.09
  5. Step 5: Solve for x
    x = 8,274,539.09/3,884.05
  6. Step 6: Final answer
    x = 2,130.39

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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.