Home / 2,383.19-3,572.66-1,212.54

Finding the Fourth Proportional to 2,383.19, 3,572.66 and 1,212.54

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Solution

The fourth proportional to 2,383.19, 3,572.66 and 1,212.54 is: 1,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.19 : 3,572.66 = 1,212.54 : x
  2. Step 2: Convert to fraction form
    2,383.19/3,572.66 = 1,212.54/x
  3. Step 3: Cross multiply
    2,383.19x = 3,572.66 × 1,212.54
  4. Step 4: Simplify right side
    2,383.19x = 4,331,987.09
  5. Step 5: Solve for x
    x = 4,331,987.09/2,383.19
  6. Step 6: Final answer
    x = 1,817.73

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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.