Home / 3,629.81-5,009.75-2,744.08

Finding the Fourth Proportional to 3,629.81, 5,009.75 and 2,744.08

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Solution

The fourth proportional to 3,629.81, 5,009.75 and 2,744.08 is: 3,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.81 : 5,009.75 = 2,744.08 : x
  2. Step 2: Convert to fraction form
    3,629.81/5,009.75 = 2,744.08/x
  3. Step 3: Cross multiply
    3,629.81x = 5,009.75 × 2,744.08
  4. Step 4: Simplify right side
    3,629.81x = 13,747,138.83
  5. Step 5: Solve for x
    x = 13,747,138.83/3,629.81
  6. Step 6: Final answer
    x = 3,787.29

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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.