Home / 2,845.56-4,268.34-1,091.32

Finding the Fourth Proportional to 2,845.56, 4,268.34 and 1,091.32

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Solution

The fourth proportional to 2,845.56, 4,268.34 and 1,091.32 is: 1,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.56 : 4,268.34 = 1,091.32 : x
  2. Step 2: Convert to fraction form
    2,845.56/4,268.34 = 1,091.32/x
  3. Step 3: Cross multiply
    2,845.56x = 4,268.34 × 1,091.32
  4. Step 4: Simplify right side
    2,845.56x = 4,658,124.81
  5. Step 5: Solve for x
    x = 4,658,124.81/2,845.56
  6. Step 6: Final answer
    x = 1,636.98

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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.