Home / 1,966.65-2,716.73-1,789.30

Finding the Fourth Proportional to 1,966.65, 2,716.73 and 1,789.30

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Solution

The fourth proportional to 1,966.65, 2,716.73 and 1,789.30 is: 2,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.65 : 2,716.73 = 1,789.30 : x
  2. Step 2: Convert to fraction form
    1,966.65/2,716.73 = 1,789.30/x
  3. Step 3: Cross multiply
    1,966.65x = 2,716.73 × 1,789.30
  4. Step 4: Simplify right side
    1,966.65x = 4,861,044.99
  5. Step 5: Solve for x
    x = 4,861,044.99/1,966.65
  6. Step 6: Final answer
    x = 2,471.74

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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.