Home / 3,629.39-5,003.11-2,842.07

Finding the Fourth Proportional to 3,629.39, 5,003.11 and 2,842.07

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Solution

The fourth proportional to 3,629.39, 5,003.11 and 2,842.07 is: 3,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.39 : 5,003.11 = 2,842.07 : x
  2. Step 2: Convert to fraction form
    3,629.39/5,003.11 = 2,842.07/x
  3. Step 3: Cross multiply
    3,629.39x = 5,003.11 × 2,842.07
  4. Step 4: Simplify right side
    3,629.39x = 14,219,188.84
  5. Step 5: Solve for x
    x = 14,219,188.84/3,629.39
  6. Step 6: Final answer
    x = 3,917.79

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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.