Home / 2,788.37-3,848.13-1,609.41

Finding the Fourth Proportional to 2,788.37, 3,848.13 and 1,609.41

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Solution

The fourth proportional to 2,788.37, 3,848.13 and 1,609.41 is: 2,221.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.37 : 3,848.13 = 1,609.41 : x
  2. Step 2: Convert to fraction form
    2,788.37/3,848.13 = 1,609.41/x
  3. Step 3: Cross multiply
    2,788.37x = 3,848.13 × 1,609.41
  4. Step 4: Simplify right side
    2,788.37x = 6,193,218.90
  5. Step 5: Solve for x
    x = 6,193,218.90/2,788.37
  6. Step 6: Final answer
    x = 2,221.09

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1.5x scale

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.