Home / 2,814.49-4,221.33-1,645.03

Finding the Fourth Proportional to 2,814.49, 4,221.33 and 1,645.03

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Solution

The fourth proportional to 2,814.49, 4,221.33 and 1,645.03 is: 2,467.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.49 : 4,221.33 = 1,645.03 : x
  2. Step 2: Convert to fraction form
    2,814.49/4,221.33 = 1,645.03/x
  3. Step 3: Cross multiply
    2,814.49x = 4,221.33 × 1,645.03
  4. Step 4: Simplify right side
    2,814.49x = 6,944,214.49
  5. Step 5: Solve for x
    x = 6,944,214.49/2,814.49
  6. Step 6: Final answer
    x = 2,467.31

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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.