Home / 2,745.69-3,788.99-1,683.62

Finding the Fourth Proportional to 2,745.69, 3,788.99 and 1,683.62

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Solution

The fourth proportional to 2,745.69, 3,788.99 and 1,683.62 is: 2,323.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.69 : 3,788.99 = 1,683.62 : x
  2. Step 2: Convert to fraction form
    2,745.69/3,788.99 = 1,683.62/x
  3. Step 3: Cross multiply
    2,745.69x = 3,788.99 × 1,683.62
  4. Step 4: Simplify right side
    2,745.69x = 6,379,219.34
  5. Step 5: Solve for x
    x = 6,379,219.34/2,745.69
  6. Step 6: Final answer
    x = 2,323.36

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1.5x scale

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.