Home / 3,511.16-4,845.51-1,939.29

Finding the Fourth Proportional to 3,511.16, 4,845.51 and 1,939.29

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Solution

The fourth proportional to 3,511.16, 4,845.51 and 1,939.29 is: 2,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.16 : 4,845.51 = 1,939.29 : x
  2. Step 2: Convert to fraction form
    3,511.16/4,845.51 = 1,939.29/x
  3. Step 3: Cross multiply
    3,511.16x = 4,845.51 × 1,939.29
  4. Step 4: Simplify right side
    3,511.16x = 9,396,849.09
  5. Step 5: Solve for x
    x = 9,396,849.09/3,511.16
  6. Step 6: Final answer
    x = 2,676.28

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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.