Home / 2,203.19-3,040.31-1,318.46

Finding the Fourth Proportional to 2,203.19, 3,040.31 and 1,318.46

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Solution

The fourth proportional to 2,203.19, 3,040.31 and 1,318.46 is: 1,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.19 : 3,040.31 = 1,318.46 : x
  2. Step 2: Convert to fraction form
    2,203.19/3,040.31 = 1,318.46/x
  3. Step 3: Cross multiply
    2,203.19x = 3,040.31 × 1,318.46
  4. Step 4: Simplify right side
    2,203.19x = 4,008,505.33
  5. Step 5: Solve for x
    x = 4,008,505.33/2,203.19
  6. Step 6: Final answer
    x = 1,819.41

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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.