Home / 2,203.09-3,040.33-1,208.43

Finding the Fourth Proportional to 2,203.09, 3,040.33 and 1,208.43

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Solution

The fourth proportional to 2,203.09, 3,040.33 and 1,208.43 is: 1,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.09 : 3,040.33 = 1,208.43 : x
  2. Step 2: Convert to fraction form
    2,203.09/3,040.33 = 1,208.43/x
  3. Step 3: Cross multiply
    2,203.09x = 3,040.33 × 1,208.43
  4. Step 4: Simplify right side
    2,203.09x = 3,674,010.78
  5. Step 5: Solve for x
    x = 3,674,010.78/2,203.09
  6. Step 6: Final answer
    x = 1,667.66

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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.