Home / 3,511.88-4,846.22-2,018.76

Finding the Fourth Proportional to 3,511.88, 4,846.22 and 2,018.76

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Solution

The fourth proportional to 3,511.88, 4,846.22 and 2,018.76 is: 2,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.88 : 4,846.22 = 2,018.76 : x
  2. Step 2: Convert to fraction form
    3,511.88/4,846.22 = 2,018.76/x
  3. Step 3: Cross multiply
    3,511.88x = 4,846.22 × 2,018.76
  4. Step 4: Simplify right side
    3,511.88x = 9,783,355.09
  5. Step 5: Solve for x
    x = 9,783,355.09/3,511.88
  6. Step 6: Final answer
    x = 2,785.79

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Half scale
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Double scale
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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.