Home / 2,619.15-3,924.11-1,383.83

Finding the Fourth Proportional to 2,619.15, 3,924.11 and 1,383.83

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Solution

The fourth proportional to 2,619.15, 3,924.11 and 1,383.83 is: 2,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.15 : 3,924.11 = 1,383.83 : x
  2. Step 2: Convert to fraction form
    2,619.15/3,924.11 = 1,383.83/x
  3. Step 3: Cross multiply
    2,619.15x = 3,924.11 × 1,383.83
  4. Step 4: Simplify right side
    2,619.15x = 5,430,301.14
  5. Step 5: Solve for x
    x = 5,430,301.14/2,619.15
  6. Step 6: Final answer
    x = 2,073.31

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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.