Home / 2,203.15-3,040.33-1,208.42

Finding the Fourth Proportional to 2,203.15, 3,040.33 and 1,208.42

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Solution

The fourth proportional to 2,203.15, 3,040.33 and 1,208.42 is: 1,667.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.15 : 3,040.33 = 1,208.42 : x
  2. Step 2: Convert to fraction form
    2,203.15/3,040.33 = 1,208.42/x
  3. Step 3: Cross multiply
    2,203.15x = 3,040.33 × 1,208.42
  4. Step 4: Simplify right side
    2,203.15x = 3,674,008.12
  5. Step 5: Solve for x
    x = 3,674,008.12/2,203.15
  6. Step 6: Final answer
    x = 1,667.62

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