Home / 3,418.80-4,687.17-3,356.52

Finding the Fourth Proportional to 3,418.80, 4,687.17 and 3,356.52

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Solution

The fourth proportional to 3,418.80, 4,687.17 and 3,356.52 is: 4,601.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.80 : 4,687.17 = 3,356.52 : x
  2. Step 2: Convert to fraction form
    3,418.80/4,687.17 = 3,356.52/x
  3. Step 3: Cross multiply
    3,418.80x = 4,687.17 × 3,356.52
  4. Step 4: Simplify right side
    3,418.80x = 15,732,579.85
  5. Step 5: Solve for x
    x = 15,732,579.85/3,418.80
  6. Step 6: Final answer
    x = 4,601.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.