Home / 2,203.29-3,040.35-1,208.57

Finding the Fourth Proportional to 2,203.29, 3,040.35 and 1,208.57

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Solution

The fourth proportional to 2,203.29, 3,040.35 and 1,208.57 is: 1,667.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.29 : 3,040.35 = 1,208.57 : x
  2. Step 2: Convert to fraction form
    2,203.29/3,040.35 = 1,208.57/x
  3. Step 3: Cross multiply
    2,203.29x = 3,040.35 × 1,208.57
  4. Step 4: Simplify right side
    2,203.29x = 3,674,460.60
  5. Step 5: Solve for x
    x = 3,674,460.60/2,203.29
  6. Step 6: Final answer
    x = 1,667.72

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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.