Home / 3,181.23-4,769.26-1,448.64

Finding the Fourth Proportional to 3,181.23, 4,769.26 and 1,448.64

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Solution

The fourth proportional to 3,181.23, 4,769.26 and 1,448.64 is: 2,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.23 : 4,769.26 = 1,448.64 : x
  2. Step 2: Convert to fraction form
    3,181.23/4,769.26 = 1,448.64/x
  3. Step 3: Cross multiply
    3,181.23x = 4,769.26 × 1,448.64
  4. Step 4: Simplify right side
    3,181.23x = 6,908,940.81
  5. Step 5: Solve for x
    x = 6,908,940.81/3,181.23
  6. Step 6: Final answer
    x = 2,171.78

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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.