Home / 1,717.94-2,578.73-1,069.13

Finding the Fourth Proportional to 1,717.94, 2,578.73 and 1,069.13

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Solution

The fourth proportional to 1,717.94, 2,578.73 and 1,069.13 is: 1,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.94 : 2,578.73 = 1,069.13 : x
  2. Step 2: Convert to fraction form
    1,717.94/2,578.73 = 1,069.13/x
  3. Step 3: Cross multiply
    1,717.94x = 2,578.73 × 1,069.13
  4. Step 4: Simplify right side
    1,717.94x = 2,756,979.37
  5. Step 5: Solve for x
    x = 2,756,979.37/1,717.94
  6. Step 6: Final answer
    x = 1,604.82

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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.