Home / 3,285.73-4,928.60-1,640.62

Finding the Fourth Proportional to 3,285.73, 4,928.60 and 1,640.62

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Solution

The fourth proportional to 3,285.73, 4,928.60 and 1,640.62 is: 2,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.73 : 4,928.60 = 1,640.62 : x
  2. Step 2: Convert to fraction form
    3,285.73/4,928.60 = 1,640.62/x
  3. Step 3: Cross multiply
    3,285.73x = 4,928.60 × 1,640.62
  4. Step 4: Simplify right side
    3,285.73x = 8,085,959.73
  5. Step 5: Solve for x
    x = 8,085,959.73/3,285.73
  6. Step 6: Final answer
    x = 2,460.93

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1.5x scale

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.