Home / 3,788.24-5,227.61-2,109.51

Finding the Fourth Proportional to 3,788.24, 5,227.61 and 2,109.51

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Solution

The fourth proportional to 3,788.24, 5,227.61 and 2,109.51 is: 2,911.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.24 : 5,227.61 = 2,109.51 : x
  2. Step 2: Convert to fraction form
    3,788.24/5,227.61 = 2,109.51/x
  3. Step 3: Cross multiply
    3,788.24x = 5,227.61 × 2,109.51
  4. Step 4: Simplify right side
    3,788.24x = 11,027,685.02
  5. Step 5: Solve for x
    x = 11,027,685.02/3,788.24
  6. Step 6: Final answer
    x = 2,911.04

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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.