Home / 2,207.08-3,312.54-1,181.80

Finding the Fourth Proportional to 2,207.08, 3,312.54 and 1,181.80

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Solution

The fourth proportional to 2,207.08, 3,312.54 and 1,181.80 is: 1,773.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.08 : 3,312.54 = 1,181.80 : x
  2. Step 2: Convert to fraction form
    2,207.08/3,312.54 = 1,181.80/x
  3. Step 3: Cross multiply
    2,207.08x = 3,312.54 × 1,181.80
  4. Step 4: Simplify right side
    2,207.08x = 3,914,759.77
  5. Step 5: Solve for x
    x = 3,914,759.77/2,207.08
  6. Step 6: Final answer
    x = 1,773.73

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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.