Home / 3,684.41-5,085.23-2,268.80

Finding the Fourth Proportional to 3,684.41, 5,085.23 and 2,268.80

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Solution

The fourth proportional to 3,684.41, 5,085.23 and 2,268.80 is: 3,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.41 : 5,085.23 = 2,268.80 : x
  2. Step 2: Convert to fraction form
    3,684.41/5,085.23 = 2,268.80/x
  3. Step 3: Cross multiply
    3,684.41x = 5,085.23 × 2,268.80
  4. Step 4: Simplify right side
    3,684.41x = 11,537,333.05
  5. Step 5: Solve for x
    x = 11,537,333.05/3,684.41
  6. Step 6: Final answer
    x = 3,131.40

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Half scale
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Similar ratio
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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.