Home / 1,905.09-2,629.33-1,197.55

Finding the Fourth Proportional to 1,905.09, 2,629.33 and 1,197.55

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Solution

The fourth proportional to 1,905.09, 2,629.33 and 1,197.55 is: 1,652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.09 : 2,629.33 = 1,197.55 : x
  2. Step 2: Convert to fraction form
    1,905.09/2,629.33 = 1,197.55/x
  3. Step 3: Cross multiply
    1,905.09x = 2,629.33 × 1,197.55
  4. Step 4: Simplify right side
    1,905.09x = 3,148,754.43
  5. Step 5: Solve for x
    x = 3,148,754.43/1,905.09
  6. Step 6: Final answer
    x = 1,652.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.