Home / 3,306.61-4,954.45-1,659.68

Finding the Fourth Proportional to 3,306.61, 4,954.45 and 1,659.68

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Solution

The fourth proportional to 3,306.61, 4,954.45 and 1,659.68 is: 2,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.61 : 4,954.45 = 1,659.68 : x
  2. Step 2: Convert to fraction form
    3,306.61/4,954.45 = 1,659.68/x
  3. Step 3: Cross multiply
    3,306.61x = 4,954.45 × 1,659.68
  4. Step 4: Simplify right side
    3,306.61x = 8,222,801.58
  5. Step 5: Solve for x
    x = 8,222,801.58/3,306.61
  6. Step 6: Final answer
    x = 2,486.78

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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.