Home / 2,268.78-3,405.33-1,159.04

Finding the Fourth Proportional to 2,268.78, 3,405.33 and 1,159.04

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Solution

The fourth proportional to 2,268.78, 3,405.33 and 1,159.04 is: 1,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.78 : 3,405.33 = 1,159.04 : x
  2. Step 2: Convert to fraction form
    2,268.78/3,405.33 = 1,159.04/x
  3. Step 3: Cross multiply
    2,268.78x = 3,405.33 × 1,159.04
  4. Step 4: Simplify right side
    2,268.78x = 3,946,896.66
  5. Step 5: Solve for x
    x = 3,946,896.66/2,268.78
  6. Step 6: Final answer
    x = 1,739.66

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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.