Home / 3,414.80-4,716.96-3,285.20

Finding the Fourth Proportional to 3,414.80, 4,716.96 and 3,285.20

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Solution

The fourth proportional to 3,414.80, 4,716.96 and 3,285.20 is: 4,537.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.80 : 4,716.96 = 3,285.20 : x
  2. Step 2: Convert to fraction form
    3,414.80/4,716.96 = 3,285.20/x
  3. Step 3: Cross multiply
    3,414.80x = 4,716.96 × 3,285.20
  4. Step 4: Simplify right side
    3,414.80x = 15,496,156.99
  5. Step 5: Solve for x
    x = 15,496,156.99/3,414.80
  6. Step 6: Final answer
    x = 4,537.94

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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.