Home / 2,804.09-3,869.66-1,625.86

Finding the Fourth Proportional to 2,804.09, 3,869.66 and 1,625.86

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Solution

The fourth proportional to 2,804.09, 3,869.66 and 1,625.86 is: 2,243.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.09 : 3,869.66 = 1,625.86 : x
  2. Step 2: Convert to fraction form
    2,804.09/3,869.66 = 1,625.86/x
  3. Step 3: Cross multiply
    2,804.09x = 3,869.66 × 1,625.86
  4. Step 4: Simplify right side
    2,804.09x = 6,291,497.93
  5. Step 5: Solve for x
    x = 6,291,497.93/2,804.09
  6. Step 6: Final answer
    x = 2,243.69

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Why These Related Problems?

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