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Finding the Fourth Proportional to 3,260.40, 4,499.05 and 1,933.89

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Solution

The fourth proportional to 3,260.40, 4,499.05 and 1,933.89 is: 2,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.40 : 4,499.05 = 1,933.89 : x
  2. Step 2: Convert to fraction form
    3,260.40/4,499.05 = 1,933.89/x
  3. Step 3: Cross multiply
    3,260.40x = 4,499.05 × 1,933.89
  4. Step 4: Simplify right side
    3,260.40x = 8,700,667.80
  5. Step 5: Solve for x
    x = 8,700,667.80/3,260.40
  6. Step 6: Final answer
    x = 2,668.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.