Home / 3,660.62-5,051.73-2,168.51

Finding the Fourth Proportional to 3,660.62, 5,051.73 and 2,168.51

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Solution

The fourth proportional to 3,660.62, 5,051.73 and 2,168.51 is: 2,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.62 : 5,051.73 = 2,168.51 : x
  2. Step 2: Convert to fraction form
    3,660.62/5,051.73 = 2,168.51/x
  3. Step 3: Cross multiply
    3,660.62x = 5,051.73 × 2,168.51
  4. Step 4: Simplify right side
    3,660.62x = 10,954,727.02
  5. Step 5: Solve for x
    x = 10,954,727.02/3,660.62
  6. Step 6: Final answer
    x = 2,992.59

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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.