Home / 3,727.26-5,143.23-2,155.05

Finding the Fourth Proportional to 3,727.26, 5,143.23 and 2,155.05

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Solution

The fourth proportional to 3,727.26, 5,143.23 and 2,155.05 is: 2,973.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.26 : 5,143.23 = 2,155.05 : x
  2. Step 2: Convert to fraction form
    3,727.26/5,143.23 = 2,155.05/x
  3. Step 3: Cross multiply
    3,727.26x = 5,143.23 × 2,155.05
  4. Step 4: Simplify right side
    3,727.26x = 11,083,917.81
  5. Step 5: Solve for x
    x = 11,083,917.81/3,727.26
  6. Step 6: Final answer
    x = 2,973.74

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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.