Home / 3,511.14-4,845.20-2,018

Finding the Fourth Proportional to 3,511.14, 4,845.20 and 2,018

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Solution

The fourth proportional to 3,511.14, 4,845.20 and 2,018 is: 2,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.14 : 4,845.20 = 2,018 : x
  2. Step 2: Convert to fraction form
    3,511.14/4,845.20 = 2,018/x
  3. Step 3: Cross multiply
    3,511.14x = 4,845.20 × 2,018
  4. Step 4: Simplify right side
    3,511.14x = 9,777,613.60
  5. Step 5: Solve for x
    x = 9,777,613.60/3,511.14
  6. Step 6: Final answer
    x = 2,784.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.