Home / 2,966.13-4,093.09-1,639.75

Finding the Fourth Proportional to 2,966.13, 4,093.09 and 1,639.75

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Solution

The fourth proportional to 2,966.13, 4,093.09 and 1,639.75 is: 2,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.13 : 4,093.09 = 1,639.75 : x
  2. Step 2: Convert to fraction form
    2,966.13/4,093.09 = 1,639.75/x
  3. Step 3: Cross multiply
    2,966.13x = 4,093.09 × 1,639.75
  4. Step 4: Simplify right side
    2,966.13x = 6,711,644.33
  5. Step 5: Solve for x
    x = 6,711,644.33/2,966.13
  6. Step 6: Final answer
    x = 2,262.76

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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.