Home / 3,429.26-4,732.09-2,012.80

Finding the Fourth Proportional to 3,429.26, 4,732.09 and 2,012.80

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Solution

The fourth proportional to 3,429.26, 4,732.09 and 2,012.80 is: 2,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.26 : 4,732.09 = 2,012.80 : x
  2. Step 2: Convert to fraction form
    3,429.26/4,732.09 = 2,012.80/x
  3. Step 3: Cross multiply
    3,429.26x = 4,732.09 × 2,012.80
  4. Step 4: Simplify right side
    3,429.26x = 9,524,742.76
  5. Step 5: Solve for x
    x = 9,524,742.76/3,429.26
  6. Step 6: Final answer
    x = 2,777.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.