Home / 3,414.03-5,123.28-3,135.20

Finding the Fourth Proportional to 3,414.03, 5,123.28 and 3,135.20

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Solution

The fourth proportional to 3,414.03, 5,123.28 and 3,135.20 is: 4,704.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.03 : 5,123.28 = 3,135.20 : x
  2. Step 2: Convert to fraction form
    3,414.03/5,123.28 = 3,135.20/x
  3. Step 3: Cross multiply
    3,414.03x = 5,123.28 × 3,135.20
  4. Step 4: Simplify right side
    3,414.03x = 16,062,481.84
  5. Step 5: Solve for x
    x = 16,062,481.84/3,414.03
  6. Step 6: Final answer
    x = 4,704.84

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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.