Home / 3,836.18-5,752.44-2,078.39

Finding the Fourth Proportional to 3,836.18, 5,752.44 and 2,078.39

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Solution

The fourth proportional to 3,836.18, 5,752.44 and 2,078.39 is: 3,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.18 : 5,752.44 = 2,078.39 : x
  2. Step 2: Convert to fraction form
    3,836.18/5,752.44 = 2,078.39/x
  3. Step 3: Cross multiply
    3,836.18x = 5,752.44 × 2,078.39
  4. Step 4: Simplify right side
    3,836.18x = 11,955,828.15
  5. Step 5: Solve for x
    x = 11,955,828.15/3,836.18
  6. Step 6: Final answer
    x = 3,116.60

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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.