Home / 2,181.04-3,268.30-1,207.44

Finding the Fourth Proportional to 2,181.04, 3,268.30 and 1,207.44

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Solution

The fourth proportional to 2,181.04, 3,268.30 and 1,207.44 is: 1,809.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.04 : 3,268.30 = 1,207.44 : x
  2. Step 2: Convert to fraction form
    2,181.04/3,268.30 = 1,207.44/x
  3. Step 3: Cross multiply
    2,181.04x = 3,268.30 × 1,207.44
  4. Step 4: Simplify right side
    2,181.04x = 3,946,276.15
  5. Step 5: Solve for x
    x = 3,946,276.15/2,181.04
  6. Step 6: Final answer
    x = 1,809.36

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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.