Home / 3,511.61-4,846-1,939.69

Finding the Fourth Proportional to 3,511.61, 4,846 and 1,939.69

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Solution

The fourth proportional to 3,511.61, 4,846 and 1,939.69 is: 2,676.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.61 : 4,846 = 1,939.69 : x
  2. Step 2: Convert to fraction form
    3,511.61/4,846 = 1,939.69/x
  3. Step 3: Cross multiply
    3,511.61x = 4,846 × 1,939.69
  4. Step 4: Simplify right side
    3,511.61x = 9,399,737.74
  5. Step 5: Solve for x
    x = 9,399,737.74/3,511.61
  6. Step 6: Final answer
    x = 2,676.76

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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.