Home / 3,414.29-5,123.25-3,228.39

Finding the Fourth Proportional to 3,414.29, 5,123.25 and 3,228.39

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Solution

The fourth proportional to 3,414.29, 5,123.25 and 3,228.39 is: 4,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.29 : 5,123.25 = 3,228.39 : x
  2. Step 2: Convert to fraction form
    3,414.29/5,123.25 = 3,228.39/x
  3. Step 3: Cross multiply
    3,414.29x = 5,123.25 × 3,228.39
  4. Step 4: Simplify right side
    3,414.29x = 16,539,849.07
  5. Step 5: Solve for x
    x = 16,539,849.07/3,414.29
  6. Step 6: Final answer
    x = 4,844.31

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1.5x scale

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.