Home / 3,511.12-4,845.60-2,019.04

Finding the Fourth Proportional to 3,511.12, 4,845.60 and 2,019.04

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Solution

The fourth proportional to 3,511.12, 4,845.60 and 2,019.04 is: 2,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.12 : 4,845.60 = 2,019.04 : x
  2. Step 2: Convert to fraction form
    3,511.12/4,845.60 = 2,019.04/x
  3. Step 3: Cross multiply
    3,511.12x = 4,845.60 × 2,019.04
  4. Step 4: Simplify right side
    3,511.12x = 9,783,460.22
  5. Step 5: Solve for x
    x = 9,783,460.22/3,511.12
  6. Step 6: Final answer
    x = 2,786.42

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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.