Home / 2,203.26-3,040.52-1,208.51

Finding the Fourth Proportional to 2,203.26, 3,040.52 and 1,208.51

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Solution

The fourth proportional to 2,203.26, 3,040.52 and 1,208.51 is: 1,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.26 : 3,040.52 = 1,208.51 : x
  2. Step 2: Convert to fraction form
    2,203.26/3,040.52 = 1,208.51/x
  3. Step 3: Cross multiply
    2,203.26x = 3,040.52 × 1,208.51
  4. Step 4: Simplify right side
    2,203.26x = 3,674,508.20
  5. Step 5: Solve for x
    x = 3,674,508.20/2,203.26
  6. Step 6: Final answer
    x = 1,667.76

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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.