Home / 2,796.90-3,859.94-1,804.24

Finding the Fourth Proportional to 2,796.90, 3,859.94 and 1,804.24

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Solution

The fourth proportional to 2,796.90, 3,859.94 and 1,804.24 is: 2,489.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.90 : 3,859.94 = 1,804.24 : x
  2. Step 2: Convert to fraction form
    2,796.90/3,859.94 = 1,804.24/x
  3. Step 3: Cross multiply
    2,796.90x = 3,859.94 × 1,804.24
  4. Step 4: Simplify right side
    2,796.90x = 6,964,258.15
  5. Step 5: Solve for x
    x = 6,964,258.15/2,796.90
  6. Step 6: Final answer
    x = 2,489.99

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1.5x scale

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.