Home / 3,739.99-5,161.21-2,061.45

Finding the Fourth Proportional to 3,739.99, 5,161.21 and 2,061.45

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Solution

The fourth proportional to 3,739.99, 5,161.21 and 2,061.45 is: 2,844.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.99 : 5,161.21 = 2,061.45 : x
  2. Step 2: Convert to fraction form
    3,739.99/5,161.21 = 2,061.45/x
  3. Step 3: Cross multiply
    3,739.99x = 5,161.21 × 2,061.45
  4. Step 4: Simplify right side
    3,739.99x = 10,639,581.51
  5. Step 5: Solve for x
    x = 10,639,581.51/3,739.99
  6. Step 6: Final answer
    x = 2,844.82

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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.