Home / 3,867.54-5,804.37-1,403.05

Finding the Fourth Proportional to 3,867.54, 5,804.37 and 1,403.05

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Solution

The fourth proportional to 3,867.54, 5,804.37 and 1,403.05 is: 2,105.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.54 : 5,804.37 = 1,403.05 : x
  2. Step 2: Convert to fraction form
    3,867.54/5,804.37 = 1,403.05/x
  3. Step 3: Cross multiply
    3,867.54x = 5,804.37 × 1,403.05
  4. Step 4: Simplify right side
    3,867.54x = 8,143,821.33
  5. Step 5: Solve for x
    x = 8,143,821.33/3,867.54
  6. Step 6: Final answer
    x = 2,105.69

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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.