Home / 3,683.43-5,517.75-1,828.95

Finding the Fourth Proportional to 3,683.43, 5,517.75 and 1,828.95

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Solution

The fourth proportional to 3,683.43, 5,517.75 and 1,828.95 is: 2,739.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.43 : 5,517.75 = 1,828.95 : x
  2. Step 2: Convert to fraction form
    3,683.43/5,517.75 = 1,828.95/x
  3. Step 3: Cross multiply
    3,683.43x = 5,517.75 × 1,828.95
  4. Step 4: Simplify right side
    3,683.43x = 10,091,688.86
  5. Step 5: Solve for x
    x = 10,091,688.86/3,683.43
  6. Step 6: Final answer
    x = 2,739.75

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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.