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Finding the Fourth Proportional to 3,306.28, 4,958.65 and 965.77

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Solution

The fourth proportional to 3,306.28, 4,958.65 and 965.77 is: 1,448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.28 : 4,958.65 = 965.77 : x
  2. Step 2: Convert to fraction form
    3,306.28/4,958.65 = 965.77/x
  3. Step 3: Cross multiply
    3,306.28x = 4,958.65 × 965.77
  4. Step 4: Simplify right side
    3,306.28x = 4,788,893.03
  5. Step 5: Solve for x
    x = 4,788,893.03/3,306.28
  6. Step 6: Final answer
    x = 1,448.42

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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.