Home / 1,984.26-2,979.48-1,896.60

Finding the Fourth Proportional to 1,984.26, 2,979.48 and 1,896.60

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Solution

The fourth proportional to 1,984.26, 2,979.48 and 1,896.60 is: 2,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.26 : 2,979.48 = 1,896.60 : x
  2. Step 2: Convert to fraction form
    1,984.26/2,979.48 = 1,896.60/x
  3. Step 3: Cross multiply
    1,984.26x = 2,979.48 × 1,896.60
  4. Step 4: Simplify right side
    1,984.26x = 5,650,881.77
  5. Step 5: Solve for x
    x = 5,650,881.77/1,984.26
  6. Step 6: Final answer
    x = 2,847.85

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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.