Home / 3,266.14-4,893.45-1,620.70

Finding the Fourth Proportional to 3,266.14, 4,893.45 and 1,620.70

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Solution

The fourth proportional to 3,266.14, 4,893.45 and 1,620.70 is: 2,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.14 : 4,893.45 = 1,620.70 : x
  2. Step 2: Convert to fraction form
    3,266.14/4,893.45 = 1,620.70/x
  3. Step 3: Cross multiply
    3,266.14x = 4,893.45 × 1,620.70
  4. Step 4: Simplify right side
    3,266.14x = 7,930,814.42
  5. Step 5: Solve for x
    x = 7,930,814.42/3,266.14
  6. Step 6: Final answer
    x = 2,428.19

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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.