Home / 2,180.00-3,268.97-792.35

Finding the Fourth Proportional to 2,180.00, 3,268.97 and 792.35

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Solution

The fourth proportional to 2,180.00, 3,268.97 and 792.35 is: 1,188.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.00 : 3,268.97 = 792.35 : x
  2. Step 2: Convert to fraction form
    2,180.00/3,268.97 = 792.35/x
  3. Step 3: Cross multiply
    2,180.00x = 3,268.97 × 792.35
  4. Step 4: Simplify right side
    2,180.00x = 2,590,172.59
  5. Step 5: Solve for x
    x = 2,590,172.59/2,180.00
  6. Step 6: Final answer
    x = 1,188.16

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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.