Home / 2,788.44-3,848.61-1,609.35

Finding the Fourth Proportional to 2,788.44, 3,848.61 and 1,609.35

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Solution

The fourth proportional to 2,788.44, 3,848.61 and 1,609.35 is: 2,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.44 : 3,848.61 = 1,609.35 : x
  2. Step 2: Convert to fraction form
    2,788.44/3,848.61 = 1,609.35/x
  3. Step 3: Cross multiply
    2,788.44x = 3,848.61 × 1,609.35
  4. Step 4: Simplify right side
    2,788.44x = 6,193,760.50
  5. Step 5: Solve for x
    x = 6,193,760.50/2,788.44
  6. Step 6: Final answer
    x = 2,221.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.