Home / 3,904.19-5,388.31-2,203.04

Finding the Fourth Proportional to 3,904.19, 5,388.31 and 2,203.04

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Solution

The fourth proportional to 3,904.19, 5,388.31 and 2,203.04 is: 3,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.19 : 5,388.31 = 2,203.04 : x
  2. Step 2: Convert to fraction form
    3,904.19/5,388.31 = 2,203.04/x
  3. Step 3: Cross multiply
    3,904.19x = 5,388.31 × 2,203.04
  4. Step 4: Simplify right side
    3,904.19x = 11,870,662.46
  5. Step 5: Solve for x
    x = 11,870,662.46/3,904.19
  6. Step 6: Final answer
    x = 3,040.49

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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.