Home / 2,447.77-3,668.20-1,897.38

Finding the Fourth Proportional to 2,447.77, 3,668.20 and 1,897.38

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Solution

The fourth proportional to 2,447.77, 3,668.20 and 1,897.38 is: 2,843.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.77 : 3,668.20 = 1,897.38 : x
  2. Step 2: Convert to fraction form
    2,447.77/3,668.20 = 1,897.38/x
  3. Step 3: Cross multiply
    2,447.77x = 3,668.20 × 1,897.38
  4. Step 4: Simplify right side
    2,447.77x = 6,959,969.32
  5. Step 5: Solve for x
    x = 6,959,969.32/2,447.77
  6. Step 6: Final answer
    x = 2,843.39

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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.