Home / 2,203.46-3,040.74-1,208.72

Finding the Fourth Proportional to 2,203.46, 3,040.74 and 1,208.72

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Solution

The fourth proportional to 2,203.46, 3,040.74 and 1,208.72 is: 1,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.46 : 3,040.74 = 1,208.72 : x
  2. Step 2: Convert to fraction form
    2,203.46/3,040.74 = 1,208.72/x
  3. Step 3: Cross multiply
    2,203.46x = 3,040.74 × 1,208.72
  4. Step 4: Simplify right side
    2,203.46x = 3,675,403.25
  5. Step 5: Solve for x
    x = 3,675,403.25/2,203.46
  6. Step 6: Final answer
    x = 1,668.01

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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.