Home / 3,012.69-4,512.03-2,929.65

Finding the Fourth Proportional to 3,012.69, 4,512.03 and 2,929.65

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Solution

The fourth proportional to 3,012.69, 4,512.03 and 2,929.65 is: 4,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.69 : 4,512.03 = 2,929.65 : x
  2. Step 2: Convert to fraction form
    3,012.69/4,512.03 = 2,929.65/x
  3. Step 3: Cross multiply
    3,012.69x = 4,512.03 × 2,929.65
  4. Step 4: Simplify right side
    3,012.69x = 13,218,668.69
  5. Step 5: Solve for x
    x = 13,218,668.69/3,012.69
  6. Step 6: Final answer
    x = 4,387.66

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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.