Home / 2,208.94-3,048.39-1,214.31

Finding the Fourth Proportional to 2,208.94, 3,048.39 and 1,214.31

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Solution

The fourth proportional to 2,208.94, 3,048.39 and 1,214.31 is: 1,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.94 : 3,048.39 = 1,214.31 : x
  2. Step 2: Convert to fraction form
    2,208.94/3,048.39 = 1,214.31/x
  3. Step 3: Cross multiply
    2,208.94x = 3,048.39 × 1,214.31
  4. Step 4: Simplify right side
    2,208.94x = 3,701,690.46
  5. Step 5: Solve for x
    x = 3,701,690.46/2,208.94
  6. Step 6: Final answer
    x = 1,675.78

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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.