Home / 2,203.23-3,040.41-1,208.49

Finding the Fourth Proportional to 2,203.23, 3,040.41 and 1,208.49

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Solution

The fourth proportional to 2,203.23, 3,040.41 and 1,208.49 is: 1,667.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.23 : 3,040.41 = 1,208.49 : x
  2. Step 2: Convert to fraction form
    2,203.23/3,040.41 = 1,208.49/x
  3. Step 3: Cross multiply
    2,203.23x = 3,040.41 × 1,208.49
  4. Step 4: Simplify right side
    2,203.23x = 3,674,305.08
  5. Step 5: Solve for x
    x = 3,674,305.08/2,203.23
  6. Step 6: Final answer
    x = 1,667.69

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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.