Home / 3,447.36-5,171.30-982.38

Finding the Fourth Proportional to 3,447.36, 5,171.30 and 982.38

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Solution

The fourth proportional to 3,447.36, 5,171.30 and 982.38 is: 1,473.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.36 : 5,171.30 = 982.38 : x
  2. Step 2: Convert to fraction form
    3,447.36/5,171.30 = 982.38/x
  3. Step 3: Cross multiply
    3,447.36x = 5,171.30 × 982.38
  4. Step 4: Simplify right side
    3,447.36x = 5,080,176.78
  5. Step 5: Solve for x
    x = 5,080,176.78/3,447.36
  6. Step 6: Final answer
    x = 1,473.64

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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.