Home / 3,261.33-4,891.98-1,181.32

Finding the Fourth Proportional to 3,261.33, 4,891.98 and 1,181.32

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Solution

The fourth proportional to 3,261.33, 4,891.98 and 1,181.32 is: 1,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.33 : 4,891.98 = 1,181.32 : x
  2. Step 2: Convert to fraction form
    3,261.33/4,891.98 = 1,181.32/x
  3. Step 3: Cross multiply
    3,261.33x = 4,891.98 × 1,181.32
  4. Step 4: Simplify right side
    3,261.33x = 5,778,993.81
  5. Step 5: Solve for x
    x = 5,778,993.81/3,261.33
  6. Step 6: Final answer
    x = 1,771.98

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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.