Home / 3,660.94-5,486.82-1,578.58

Finding the Fourth Proportional to 3,660.94, 5,486.82 and 1,578.58

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Solution

The fourth proportional to 3,660.94, 5,486.82 and 1,578.58 is: 2,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.94 : 5,486.82 = 1,578.58 : x
  2. Step 2: Convert to fraction form
    3,660.94/5,486.82 = 1,578.58/x
  3. Step 3: Cross multiply
    3,660.94x = 5,486.82 × 1,578.58
  4. Step 4: Simplify right side
    3,660.94x = 8,661,384.32
  5. Step 5: Solve for x
    x = 8,661,384.32/3,660.94
  6. Step 6: Final answer
    x = 2,365.89

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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.