Home / 3,106.06-4,285.83-1,779.82

Finding the Fourth Proportional to 3,106.06, 4,285.83 and 1,779.82

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Solution

The fourth proportional to 3,106.06, 4,285.83 and 1,779.82 is: 2,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.06 : 4,285.83 = 1,779.82 : x
  2. Step 2: Convert to fraction form
    3,106.06/4,285.83 = 1,779.82/x
  3. Step 3: Cross multiply
    3,106.06x = 4,285.83 × 1,779.82
  4. Step 4: Simplify right side
    3,106.06x = 7,628,005.95
  5. Step 5: Solve for x
    x = 7,628,005.95/3,106.06
  6. Step 6: Final answer
    x = 2,455.85

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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.