Home / 3,845.79-5,770.04-1,899.36

Finding the Fourth Proportional to 3,845.79, 5,770.04 and 1,899.36

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Solution

The fourth proportional to 3,845.79, 5,770.04 and 1,899.36 is: 2,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.79 : 5,770.04 = 1,899.36 : x
  2. Step 2: Convert to fraction form
    3,845.79/5,770.04 = 1,899.36/x
  3. Step 3: Cross multiply
    3,845.79x = 5,770.04 × 1,899.36
  4. Step 4: Simplify right side
    3,845.79x = 10,959,383.17
  5. Step 5: Solve for x
    x = 10,959,383.17/3,845.79
  6. Step 6: Final answer
    x = 2,849.71

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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.