Home / 3,782.49-5,673.73-1,185.63

Finding the Fourth Proportional to 3,782.49, 5,673.73 and 1,185.63

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Solution

The fourth proportional to 3,782.49, 5,673.73 and 1,185.63 is: 1,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.49 : 5,673.73 = 1,185.63 : x
  2. Step 2: Convert to fraction form
    3,782.49/5,673.73 = 1,185.63/x
  3. Step 3: Cross multiply
    3,782.49x = 5,673.73 × 1,185.63
  4. Step 4: Simplify right side
    3,782.49x = 6,726,944.50
  5. Step 5: Solve for x
    x = 6,726,944.50/3,782.49
  6. Step 6: Final answer
    x = 1,778.44

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1.5x scale

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.