Home / 2,208.41-3,313.38-1,111.88

Finding the Fourth Proportional to 2,208.41, 3,313.38 and 1,111.88

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Solution

The fourth proportional to 2,208.41, 3,313.38 and 1,111.88 is: 1,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.41 : 3,313.38 = 1,111.88 : x
  2. Step 2: Convert to fraction form
    2,208.41/3,313.38 = 1,111.88/x
  3. Step 3: Cross multiply
    2,208.41x = 3,313.38 × 1,111.88
  4. Step 4: Simplify right side
    2,208.41x = 3,684,080.95
  5. Step 5: Solve for x
    x = 3,684,080.95/2,208.41
  6. Step 6: Final answer
    x = 1,668.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.