Home / 3,239.69-4,857.81-1,265.99

Finding the Fourth Proportional to 3,239.69, 4,857.81 and 1,265.99

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Solution

The fourth proportional to 3,239.69, 4,857.81 and 1,265.99 is: 1,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.69 : 4,857.81 = 1,265.99 : x
  2. Step 2: Convert to fraction form
    3,239.69/4,857.81 = 1,265.99/x
  3. Step 3: Cross multiply
    3,239.69x = 4,857.81 × 1,265.99
  4. Step 4: Simplify right side
    3,239.69x = 6,149,938.88
  5. Step 5: Solve for x
    x = 6,149,938.88/3,239.69
  6. Step 6: Final answer
    x = 1,898.31

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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.