Home / 3,832.97-5,289.50-2,154.43

Finding the Fourth Proportional to 3,832.97, 5,289.50 and 2,154.43

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Solution

The fourth proportional to 3,832.97, 5,289.50 and 2,154.43 is: 2,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.97 : 5,289.50 = 2,154.43 : x
  2. Step 2: Convert to fraction form
    3,832.97/5,289.50 = 2,154.43/x
  3. Step 3: Cross multiply
    3,832.97x = 5,289.50 × 2,154.43
  4. Step 4: Simplify right side
    3,832.97x = 11,395,820.27
  5. Step 5: Solve for x
    x = 11,395,820.27/3,832.97
  6. Step 6: Final answer
    x = 2,973.10

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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.