Home / 2,969.16-4,453.66-1,429.80

Finding the Fourth Proportional to 2,969.16, 4,453.66 and 1,429.80

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Solution

The fourth proportional to 2,969.16, 4,453.66 and 1,429.80 is: 2,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.16 : 4,453.66 = 1,429.80 : x
  2. Step 2: Convert to fraction form
    2,969.16/4,453.66 = 1,429.80/x
  3. Step 3: Cross multiply
    2,969.16x = 4,453.66 × 1,429.80
  4. Step 4: Simplify right side
    2,969.16x = 6,367,843.07
  5. Step 5: Solve for x
    x = 6,367,843.07/2,969.16
  6. Step 6: Final answer
    x = 2,144.66

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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.