Home / 2,764.32-3,815.76-1,833.12

Finding the Fourth Proportional to 2,764.32, 3,815.76 and 1,833.12

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Solution

The fourth proportional to 2,764.32, 3,815.76 and 1,833.12 is: 2,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.32 : 3,815.76 = 1,833.12 : x
  2. Step 2: Convert to fraction form
    2,764.32/3,815.76 = 1,833.12/x
  3. Step 3: Cross multiply
    2,764.32x = 3,815.76 × 1,833.12
  4. Step 4: Simplify right side
    2,764.32x = 6,994,745.97
  5. Step 5: Solve for x
    x = 6,994,745.97/2,764.32
  6. Step 6: Final answer
    x = 2,530.37

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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.