Home / 1,928.43-2,893.59-1,197.81

Finding the Fourth Proportional to 1,928.43, 2,893.59 and 1,197.81

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Solution

The fourth proportional to 1,928.43, 2,893.59 and 1,197.81 is: 1,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.43 : 2,893.59 = 1,197.81 : x
  2. Step 2: Convert to fraction form
    1,928.43/2,893.59 = 1,197.81/x
  3. Step 3: Cross multiply
    1,928.43x = 2,893.59 × 1,197.81
  4. Step 4: Simplify right side
    1,928.43x = 3,465,971.04
  5. Step 5: Solve for x
    x = 3,465,971.04/1,928.43
  6. Step 6: Final answer
    x = 1,797.30

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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.