Home / 2,845.61-4,268.26-1,091.45

Finding the Fourth Proportional to 2,845.61, 4,268.26 and 1,091.45

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Solution

The fourth proportional to 2,845.61, 4,268.26 and 1,091.45 is: 1,637.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.61 : 4,268.26 = 1,091.45 : x
  2. Step 2: Convert to fraction form
    2,845.61/4,268.26 = 1,091.45/x
  3. Step 3: Cross multiply
    2,845.61x = 4,268.26 × 1,091.45
  4. Step 4: Simplify right side
    2,845.61x = 4,658,609.75
  5. Step 5: Solve for x
    x = 4,658,609.75/2,845.61
  6. Step 6: Final answer
    x = 1,637.12

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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.