Home / 3,788.03-5,227.65-2,109.47

Finding the Fourth Proportional to 3,788.03, 5,227.65 and 2,109.47

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Solution

The fourth proportional to 3,788.03, 5,227.65 and 2,109.47 is: 2,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.03 : 5,227.65 = 2,109.47 : x
  2. Step 2: Convert to fraction form
    3,788.03/5,227.65 = 2,109.47/x
  3. Step 3: Cross multiply
    3,788.03x = 5,227.65 × 2,109.47
  4. Step 4: Simplify right side
    3,788.03x = 11,027,544.71
  5. Step 5: Solve for x
    x = 11,027,544.71/3,788.03
  6. Step 6: Final answer
    x = 2,911.16

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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.