Home / 3,511.06-4,845.24-1,939.12

Finding the Fourth Proportional to 3,511.06, 4,845.24 and 1,939.12

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Solution

The fourth proportional to 3,511.06, 4,845.24 and 1,939.12 is: 2,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.06 : 4,845.24 = 1,939.12 : x
  2. Step 2: Convert to fraction form
    3,511.06/4,845.24 = 1,939.12/x
  3. Step 3: Cross multiply
    3,511.06x = 4,845.24 × 1,939.12
  4. Step 4: Simplify right side
    3,511.06x = 9,395,501.79
  5. Step 5: Solve for x
    x = 9,395,501.79/3,511.06
  6. Step 6: Final answer
    x = 2,675.97

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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.