Home / 2,181.06-3,284.55-1,964.25

Finding the Fourth Proportional to 2,181.06, 3,284.55 and 1,964.25

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Solution

The fourth proportional to 2,181.06, 3,284.55 and 1,964.25 is: 2,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.06 : 3,284.55 = 1,964.25 : x
  2. Step 2: Convert to fraction form
    2,181.06/3,284.55 = 1,964.25/x
  3. Step 3: Cross multiply
    2,181.06x = 3,284.55 × 1,964.25
  4. Step 4: Simplify right side
    2,181.06x = 6,451,677.34
  5. Step 5: Solve for x
    x = 6,451,677.34/2,181.06
  6. Step 6: Final answer
    x = 2,958.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.