Home / 2,107.29-2,905.23-1,766.73

Finding the Fourth Proportional to 2,107.29, 2,905.23 and 1,766.73

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Solution

The fourth proportional to 2,107.29, 2,905.23 and 1,766.73 is: 2,435.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.29 : 2,905.23 = 1,766.73 : x
  2. Step 2: Convert to fraction form
    2,107.29/2,905.23 = 1,766.73/x
  3. Step 3: Cross multiply
    2,107.29x = 2,905.23 × 1,766.73
  4. Step 4: Simplify right side
    2,107.29x = 5,132,757.00
  5. Step 5: Solve for x
    x = 5,132,757.00/2,107.29
  6. Step 6: Final answer
    x = 2,435.71

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1.5x scale

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.