Home / 2,730.25-3,768.15-1,668.63

Finding the Fourth Proportional to 2,730.25, 3,768.15 and 1,668.63

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Solution

The fourth proportional to 2,730.25, 3,768.15 and 1,668.63 is: 2,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.25 : 3,768.15 = 1,668.63 : x
  2. Step 2: Convert to fraction form
    2,730.25/3,768.15 = 1,668.63/x
  3. Step 3: Cross multiply
    2,730.25x = 3,768.15 × 1,668.63
  4. Step 4: Simplify right side
    2,730.25x = 6,287,634.54
  5. Step 5: Solve for x
    x = 6,287,634.54/2,730.25
  6. Step 6: Final answer
    x = 2,302.95

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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.