Home / 2,180.43-3,009.03-1,185.73

Finding the Fourth Proportional to 2,180.43, 3,009.03 and 1,185.73

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Solution

The fourth proportional to 2,180.43, 3,009.03 and 1,185.73 is: 1,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.43 : 3,009.03 = 1,185.73 : x
  2. Step 2: Convert to fraction form
    2,180.43/3,009.03 = 1,185.73/x
  3. Step 3: Cross multiply
    2,180.43x = 3,009.03 × 1,185.73
  4. Step 4: Simplify right side
    2,180.43x = 3,567,879.53
  5. Step 5: Solve for x
    x = 3,567,879.53/2,180.43
  6. Step 6: Final answer
    x = 1,636.32

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,181.43, 3,010.41 and 1,186.73
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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.