Home / 3,837.30-5,745.21-1,984.42

Finding the Fourth Proportional to 3,837.30, 5,745.21 and 1,984.42

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Solution

The fourth proportional to 3,837.30, 5,745.21 and 1,984.42 is: 2,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.30 : 5,745.21 = 1,984.42 : x
  2. Step 2: Convert to fraction form
    3,837.30/5,745.21 = 1,984.42/x
  3. Step 3: Cross multiply
    3,837.30x = 5,745.21 × 1,984.42
  4. Step 4: Simplify right side
    3,837.30x = 11,400,909.63
  5. Step 5: Solve for x
    x = 11,400,909.63/3,837.30
  6. Step 6: Final answer
    x = 2,971.08

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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.