Home / 3,425.69-4,719.36-2,824.27

Finding the Fourth Proportional to 3,425.69, 4,719.36 and 2,824.27

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Solution

The fourth proportional to 3,425.69, 4,719.36 and 2,824.27 is: 3,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.69 : 4,719.36 = 2,824.27 : x
  2. Step 2: Convert to fraction form
    3,425.69/4,719.36 = 2,824.27/x
  3. Step 3: Cross multiply
    3,425.69x = 4,719.36 × 2,824.27
  4. Step 4: Simplify right side
    3,425.69x = 13,328,745.66
  5. Step 5: Solve for x
    x = 13,328,745.66/3,425.69
  6. Step 6: Final answer
    x = 3,890.82

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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.