Home / 3,418.12-4,718.82-3,346.84

Finding the Fourth Proportional to 3,418.12, 4,718.82 and 3,346.84

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Solution

The fourth proportional to 3,418.12, 4,718.82 and 3,346.84 is: 4,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.12 : 4,718.82 = 3,346.84 : x
  2. Step 2: Convert to fraction form
    3,418.12/4,718.82 = 3,346.84/x
  3. Step 3: Cross multiply
    3,418.12x = 4,718.82 × 3,346.84
  4. Step 4: Simplify right side
    3,418.12x = 15,793,135.53
  5. Step 5: Solve for x
    x = 15,793,135.53/3,418.12
  6. Step 6: Final answer
    x = 4,620.42

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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.