Home / 1,896.75-2,847.60-1,665.90

Finding the Fourth Proportional to 1,896.75, 2,847.60 and 1,665.90

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Solution

The fourth proportional to 1,896.75, 2,847.60 and 1,665.90 is: 2,501.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.75 : 2,847.60 = 1,665.90 : x
  2. Step 2: Convert to fraction form
    1,896.75/2,847.60 = 1,665.90/x
  3. Step 3: Cross multiply
    1,896.75x = 2,847.60 × 1,665.90
  4. Step 4: Simplify right side
    1,896.75x = 4,743,816.84
  5. Step 5: Solve for x
    x = 4,743,816.84/1,896.75
  6. Step 6: Final answer
    x = 2,501.02

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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.