Home / 3,893.31-5,839.33-1,119.35

Finding the Fourth Proportional to 3,893.31, 5,839.33 and 1,119.35

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Solution

The fourth proportional to 3,893.31, 5,839.33 and 1,119.35 is: 1,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.31 : 5,839.33 = 1,119.35 : x
  2. Step 2: Convert to fraction form
    3,893.31/5,839.33 = 1,119.35/x
  3. Step 3: Cross multiply
    3,893.31x = 5,839.33 × 1,119.35
  4. Step 4: Simplify right side
    3,893.31x = 6,536,254.04
  5. Step 5: Solve for x
    x = 6,536,254.04/3,893.31
  6. Step 6: Final answer
    x = 1,678.84

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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.