Home / 3,285.56-4,928.06-1,205.48

Finding the Fourth Proportional to 3,285.56, 4,928.06 and 1,205.48

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Solution

The fourth proportional to 3,285.56, 4,928.06 and 1,205.48 is: 1,808.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.56 : 4,928.06 = 1,205.48 : x
  2. Step 2: Convert to fraction form
    3,285.56/4,928.06 = 1,205.48/x
  3. Step 3: Cross multiply
    3,285.56x = 4,928.06 × 1,205.48
  4. Step 4: Simplify right side
    3,285.56x = 5,940,693.10
  5. Step 5: Solve for x
    x = 5,940,693.10/3,285.56
  6. Step 6: Final answer
    x = 1,808.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.