Home / 3,387.36-5,081.14-1,197.60

Finding the Fourth Proportional to 3,387.36, 5,081.14 and 1,197.60

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Solution

The fourth proportional to 3,387.36, 5,081.14 and 1,197.60 is: 1,796.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.36 : 5,081.14 = 1,197.60 : x
  2. Step 2: Convert to fraction form
    3,387.36/5,081.14 = 1,197.60/x
  3. Step 3: Cross multiply
    3,387.36x = 5,081.14 × 1,197.60
  4. Step 4: Simplify right side
    3,387.36x = 6,085,173.26
  5. Step 5: Solve for x
    x = 6,085,173.26/3,387.36
  6. Step 6: Final answer
    x = 1,796.44

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.