Home / 2,208.81-3,048.73-1,369.02

Finding the Fourth Proportional to 2,208.81, 3,048.73 and 1,369.02

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Solution

The fourth proportional to 2,208.81, 3,048.73 and 1,369.02 is: 1,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.81 : 3,048.73 = 1,369.02 : x
  2. Step 2: Convert to fraction form
    2,208.81/3,048.73 = 1,369.02/x
  3. Step 3: Cross multiply
    2,208.81x = 3,048.73 × 1,369.02
  4. Step 4: Simplify right side
    2,208.81x = 4,173,768.92
  5. Step 5: Solve for x
    x = 4,173,768.92/2,208.81
  6. Step 6: Final answer
    x = 1,889.60

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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.