Home / 3,922.82-5,412.56-2,873.06

Finding the Fourth Proportional to 3,922.82, 5,412.56 and 2,873.06

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Solution

The fourth proportional to 3,922.82, 5,412.56 and 2,873.06 is: 3,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.82 : 5,412.56 = 2,873.06 : x
  2. Step 2: Convert to fraction form
    3,922.82/5,412.56 = 2,873.06/x
  3. Step 3: Cross multiply
    3,922.82x = 5,412.56 × 2,873.06
  4. Step 4: Simplify right side
    3,922.82x = 15,550,609.63
  5. Step 5: Solve for x
    x = 15,550,609.63/3,922.82
  6. Step 6: Final answer
    x = 3,964.14

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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.