Home / 2,788.94-3,848.70-1,609.99

Finding the Fourth Proportional to 2,788.94, 3,848.70 and 1,609.99

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Solution

The fourth proportional to 2,788.94, 3,848.70 and 1,609.99 is: 2,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.94 : 3,848.70 = 1,609.99 : x
  2. Step 2: Convert to fraction form
    2,788.94/3,848.70 = 1,609.99/x
  3. Step 3: Cross multiply
    2,788.94x = 3,848.70 × 1,609.99
  4. Step 4: Simplify right side
    2,788.94x = 6,196,349.27
  5. Step 5: Solve for x
    x = 6,196,349.27/2,788.94
  6. Step 6: Final answer
    x = 2,221.76

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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.