Home / 3,310.84-4,966.87-1,089.80

Finding the Fourth Proportional to 3,310.84, 4,966.87 and 1,089.80

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Solution

The fourth proportional to 3,310.84, 4,966.87 and 1,089.80 is: 1,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.84 : 4,966.87 = 1,089.80 : x
  2. Step 2: Convert to fraction form
    3,310.84/4,966.87 = 1,089.80/x
  3. Step 3: Cross multiply
    3,310.84x = 4,966.87 × 1,089.80
  4. Step 4: Simplify right side
    3,310.84x = 5,412,894.93
  5. Step 5: Solve for x
    x = 5,412,894.93/3,310.84
  6. Step 6: Final answer
    x = 1,634.90

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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.