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Finding the Fourth Proportional to 2,005.41, 3,006.84 and 965.67

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Solution

The fourth proportional to 2,005.41, 3,006.84 and 965.67 is: 1,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.41 : 3,006.84 = 965.67 : x
  2. Step 2: Convert to fraction form
    2,005.41/3,006.84 = 965.67/x
  3. Step 3: Cross multiply
    2,005.41x = 3,006.84 × 965.67
  4. Step 4: Simplify right side
    2,005.41x = 2,903,618.80
  5. Step 5: Solve for x
    x = 2,903,618.80/2,005.41
  6. Step 6: Final answer
    x = 1,447.90

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1.5x scale

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.