Home / 3,788.65-5,228.35-2,110.38

Finding the Fourth Proportional to 3,788.65, 5,228.35 and 2,110.38

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Solution

The fourth proportional to 3,788.65, 5,228.35 and 2,110.38 is: 2,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.65 : 5,228.35 = 2,110.38 : x
  2. Step 2: Convert to fraction form
    3,788.65/5,228.35 = 2,110.38/x
  3. Step 3: Cross multiply
    3,788.65x = 5,228.35 × 2,110.38
  4. Step 4: Simplify right side
    3,788.65x = 11,033,805.27
  5. Step 5: Solve for x
    x = 11,033,805.27/3,788.65
  6. Step 6: Final answer
    x = 2,912.33

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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.