Home / 2,610.21-3,912.57-965.70

Finding the Fourth Proportional to 2,610.21, 3,912.57 and 965.70

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Solution

The fourth proportional to 2,610.21, 3,912.57 and 965.70 is: 1,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.21 : 3,912.57 = 965.70 : x
  2. Step 2: Convert to fraction form
    2,610.21/3,912.57 = 965.70/x
  3. Step 3: Cross multiply
    2,610.21x = 3,912.57 × 965.70
  4. Step 4: Simplify right side
    2,610.21x = 3,778,368.85
  5. Step 5: Solve for x
    x = 3,778,368.85/2,610.21
  6. Step 6: Final answer
    x = 1,447.53

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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.