Home / 2,775.06-4,163.40-1,315.44

Finding the Fourth Proportional to 2,775.06, 4,163.40 and 1,315.44

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Solution

The fourth proportional to 2,775.06, 4,163.40 and 1,315.44 is: 1,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.06 : 4,163.40 = 1,315.44 : x
  2. Step 2: Convert to fraction form
    2,775.06/4,163.40 = 1,315.44/x
  3. Step 3: Cross multiply
    2,775.06x = 4,163.40 × 1,315.44
  4. Step 4: Simplify right side
    2,775.06x = 5,476,702.90
  5. Step 5: Solve for x
    x = 5,476,702.90/2,775.06
  6. Step 6: Final answer
    x = 1,973.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.