Home / 2,208.84-3,048.21-1,369.23

Finding the Fourth Proportional to 2,208.84, 3,048.21 and 1,369.23

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Solution

The fourth proportional to 2,208.84, 3,048.21 and 1,369.23 is: 1,889.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.84 : 3,048.21 = 1,369.23 : x
  2. Step 2: Convert to fraction form
    2,208.84/3,048.21 = 1,369.23/x
  3. Step 3: Cross multiply
    2,208.84x = 3,048.21 × 1,369.23
  4. Step 4: Simplify right side
    2,208.84x = 4,173,700.58
  5. Step 5: Solve for x
    x = 4,173,700.58/2,208.84
  6. Step 6: Final answer
    x = 1,889.54

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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.