Home / 3,429.27-4,720.94-3,272.55

Finding the Fourth Proportional to 3,429.27, 4,720.94 and 3,272.55

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Solution

The fourth proportional to 3,429.27, 4,720.94 and 3,272.55 is: 4,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.27 : 4,720.94 = 3,272.55 : x
  2. Step 2: Convert to fraction form
    3,429.27/4,720.94 = 3,272.55/x
  3. Step 3: Cross multiply
    3,429.27x = 4,720.94 × 3,272.55
  4. Step 4: Simplify right side
    3,429.27x = 15,449,496.77
  5. Step 5: Solve for x
    x = 15,449,496.77/3,429.27
  6. Step 6: Final answer
    x = 4,505.19

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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.