Home / 2,845.09-4,261.87-1,383.13

Finding the Fourth Proportional to 2,845.09, 4,261.87 and 1,383.13

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Solution

The fourth proportional to 2,845.09, 4,261.87 and 1,383.13 is: 2,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.09 : 4,261.87 = 1,383.13 : x
  2. Step 2: Convert to fraction form
    2,845.09/4,261.87 = 1,383.13/x
  3. Step 3: Cross multiply
    2,845.09x = 4,261.87 × 1,383.13
  4. Step 4: Simplify right side
    2,845.09x = 5,894,720.25
  5. Step 5: Solve for x
    x = 5,894,720.25/2,845.09
  6. Step 6: Final answer
    x = 2,071.89

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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.