Home / 3,739.94-5,161.40-2,061.64

Finding the Fourth Proportional to 3,739.94, 5,161.40 and 2,061.64

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Solution

The fourth proportional to 3,739.94, 5,161.40 and 2,061.64 is: 2,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.94 : 5,161.40 = 2,061.64 : x
  2. Step 2: Convert to fraction form
    3,739.94/5,161.40 = 2,061.64/x
  3. Step 3: Cross multiply
    3,739.94x = 5,161.40 × 2,061.64
  4. Step 4: Simplify right side
    3,739.94x = 10,640,935.13
  5. Step 5: Solve for x
    x = 10,640,935.13/3,739.94
  6. Step 6: Final answer
    x = 2,845.22

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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.