Home / 2,848.09-4,268.14-1,091.20

Finding the Fourth Proportional to 2,848.09, 4,268.14 and 1,091.20

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Solution

The fourth proportional to 2,848.09, 4,268.14 and 1,091.20 is: 1,635.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.09 : 4,268.14 = 1,091.20 : x
  2. Step 2: Convert to fraction form
    2,848.09/4,268.14 = 1,091.20/x
  3. Step 3: Cross multiply
    2,848.09x = 4,268.14 × 1,091.20
  4. Step 4: Simplify right side
    2,848.09x = 4,657,394.37
  5. Step 5: Solve for x
    x = 4,657,394.37/2,848.09
  6. Step 6: Final answer
    x = 1,635.27

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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.