Home / 2,183.64-3,016.08-1,888.80

Finding the Fourth Proportional to 2,183.64, 3,016.08 and 1,888.80

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Solution

The fourth proportional to 2,183.64, 3,016.08 and 1,888.80 is: 2,608.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.64 : 3,016.08 = 1,888.80 : x
  2. Step 2: Convert to fraction form
    2,183.64/3,016.08 = 1,888.80/x
  3. Step 3: Cross multiply
    2,183.64x = 3,016.08 × 1,888.80
  4. Step 4: Simplify right side
    2,183.64x = 5,696,771.90
  5. Step 5: Solve for x
    x = 5,696,771.90/2,183.64
  6. Step 6: Final answer
    x = 2,608.84

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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.