Home / 3,265.86-4,897.26-1,185.78

Finding the Fourth Proportional to 3,265.86, 4,897.26 and 1,185.78

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Solution

The fourth proportional to 3,265.86, 4,897.26 and 1,185.78 is: 1,778.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.86 : 4,897.26 = 1,185.78 : x
  2. Step 2: Convert to fraction form
    3,265.86/4,897.26 = 1,185.78/x
  3. Step 3: Cross multiply
    3,265.86x = 4,897.26 × 1,185.78
  4. Step 4: Simplify right side
    3,265.86x = 5,807,072.96
  5. Step 5: Solve for x
    x = 5,807,072.96/3,265.86
  6. Step 6: Final answer
    x = 1,778.11

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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.