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Finding the Fourth Proportional to 3,306.88, 4,954.88 and 1,661.76

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Solution

The fourth proportional to 3,306.88, 4,954.88 and 1,661.76 is: 2,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.88 : 4,954.88 = 1,661.76 : x
  2. Step 2: Convert to fraction form
    3,306.88/4,954.88 = 1,661.76/x
  3. Step 3: Cross multiply
    3,306.88x = 4,954.88 × 1,661.76
  4. Step 4: Simplify right side
    3,306.88x = 8,233,821.39
  5. Step 5: Solve for x
    x = 8,233,821.39/3,306.88
  6. Step 6: Final answer
    x = 2,489.91

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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.