Home / 3,511.65-4,846.08-1,939.75

Finding the Fourth Proportional to 3,511.65, 4,846.08 and 1,939.75

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Solution

The fourth proportional to 3,511.65, 4,846.08 and 1,939.75 is: 2,676.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.65 : 4,846.08 = 1,939.75 : x
  2. Step 2: Convert to fraction form
    3,511.65/4,846.08 = 1,939.75/x
  3. Step 3: Cross multiply
    3,511.65x = 4,846.08 × 1,939.75
  4. Step 4: Simplify right side
    3,511.65x = 9,400,183.68
  5. Step 5: Solve for x
    x = 9,400,183.68/3,511.65
  6. Step 6: Final answer
    x = 2,676.86

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1.5x scale

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.