Home / 3,678.36-5,511.78-2,033.88

Finding the Fourth Proportional to 3,678.36, 5,511.78 and 2,033.88

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Solution

The fourth proportional to 3,678.36, 5,511.78 and 2,033.88 is: 3,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.36 : 5,511.78 = 2,033.88 : x
  2. Step 2: Convert to fraction form
    3,678.36/5,511.78 = 2,033.88/x
  3. Step 3: Cross multiply
    3,678.36x = 5,511.78 × 2,033.88
  4. Step 4: Simplify right side
    3,678.36x = 11,210,299.11
  5. Step 5: Solve for x
    x = 11,210,299.11/3,678.36
  6. Step 6: Final answer
    x = 3,047.64

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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.