Home / 2,786.13-3,843.55-1,606.52

Finding the Fourth Proportional to 2,786.13, 3,843.55 and 1,606.52

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Solution

The fourth proportional to 2,786.13, 3,843.55 and 1,606.52 is: 2,216.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.13 : 3,843.55 = 1,606.52 : x
  2. Step 2: Convert to fraction form
    2,786.13/3,843.55 = 1,606.52/x
  3. Step 3: Cross multiply
    2,786.13x = 3,843.55 × 1,606.52
  4. Step 4: Simplify right side
    2,786.13x = 6,174,739.95
  5. Step 5: Solve for x
    x = 6,174,739.95/2,786.13
  6. Step 6: Final answer
    x = 2,216.24

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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.