Home / 3,311.07-4,966.61-1,669.01

Finding the Fourth Proportional to 3,311.07, 4,966.61 and 1,669.01

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Solution

The fourth proportional to 3,311.07, 4,966.61 and 1,669.01 is: 2,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.07 : 4,966.61 = 1,669.01 : x
  2. Step 2: Convert to fraction form
    3,311.07/4,966.61 = 1,669.01/x
  3. Step 3: Cross multiply
    3,311.07x = 4,966.61 × 1,669.01
  4. Step 4: Simplify right side
    3,311.07x = 8,289,288.58
  5. Step 5: Solve for x
    x = 8,289,288.58/3,311.07
  6. Step 6: Final answer
    x = 2,503.51

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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.