Home / 2,741.79-3,783.81-1,623.37

Finding the Fourth Proportional to 2,741.79, 3,783.81 and 1,623.37

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Solution

The fourth proportional to 2,741.79, 3,783.81 and 1,623.37 is: 2,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.79 : 3,783.81 = 1,623.37 : x
  2. Step 2: Convert to fraction form
    2,741.79/3,783.81 = 1,623.37/x
  3. Step 3: Cross multiply
    2,741.79x = 3,783.81 × 1,623.37
  4. Step 4: Simplify right side
    2,741.79x = 6,142,523.64
  5. Step 5: Solve for x
    x = 6,142,523.64/2,741.79
  6. Step 6: Final answer
    x = 2,240.33

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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.