Home / 3,894.31-5,842.34-2,046.30

Finding the Fourth Proportional to 3,894.31, 5,842.34 and 2,046.30

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Solution

The fourth proportional to 3,894.31, 5,842.34 and 2,046.30 is: 3,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.31 : 5,842.34 = 2,046.30 : x
  2. Step 2: Convert to fraction form
    3,894.31/5,842.34 = 2,046.30/x
  3. Step 3: Cross multiply
    3,894.31x = 5,842.34 × 2,046.30
  4. Step 4: Simplify right side
    3,894.31x = 11,955,180.34
  5. Step 5: Solve for x
    x = 11,955,180.34/3,894.31
  6. Step 6: Final answer
    x = 3,069.91

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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.