Home / 3,739.96-5,161.25-2,061.51

Finding the Fourth Proportional to 3,739.96, 5,161.25 and 2,061.51

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Solution

The fourth proportional to 3,739.96, 5,161.25 and 2,061.51 is: 2,844.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.96 : 5,161.25 = 2,061.51 : x
  2. Step 2: Convert to fraction form
    3,739.96/5,161.25 = 2,061.51/x
  3. Step 3: Cross multiply
    3,739.96x = 5,161.25 × 2,061.51
  4. Step 4: Simplify right side
    3,739.96x = 10,639,968.49
  5. Step 5: Solve for x
    x = 10,639,968.49/3,739.96
  6. Step 6: Final answer
    x = 2,844.94

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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.