Home / 3,511.63-4,845.99-1,939.87

Finding the Fourth Proportional to 3,511.63, 4,845.99 and 1,939.87

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Solution

The fourth proportional to 3,511.63, 4,845.99 and 1,939.87 is: 2,676.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.63 : 4,845.99 = 1,939.87 : x
  2. Step 2: Convert to fraction form
    3,511.63/4,845.99 = 1,939.87/x
  3. Step 3: Cross multiply
    3,511.63x = 4,845.99 × 1,939.87
  4. Step 4: Simplify right side
    3,511.63x = 9,400,590.62
  5. Step 5: Solve for x
    x = 9,400,590.62/3,511.63
  6. Step 6: Final answer
    x = 2,676.99

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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.