Home / 3,511.24-4,845.54-1,939.36

Finding the Fourth Proportional to 3,511.24, 4,845.54 and 1,939.36

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Solution

The fourth proportional to 3,511.24, 4,845.54 and 1,939.36 is: 2,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.24 : 4,845.54 = 1,939.36 : x
  2. Step 2: Convert to fraction form
    3,511.24/4,845.54 = 1,939.36/x
  3. Step 3: Cross multiply
    3,511.24x = 4,845.54 × 1,939.36
  4. Step 4: Simplify right side
    3,511.24x = 9,397,246.45
  5. Step 5: Solve for x
    x = 9,397,246.45/3,511.24
  6. Step 6: Final answer
    x = 2,676.33

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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.