Home / 1,716.87-2,575.51-1,286.76

Finding the Fourth Proportional to 1,716.87, 2,575.51 and 1,286.76

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Solution

The fourth proportional to 1,716.87, 2,575.51 and 1,286.76 is: 1,930.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.87 : 2,575.51 = 1,286.76 : x
  2. Step 2: Convert to fraction form
    1,716.87/2,575.51 = 1,286.76/x
  3. Step 3: Cross multiply
    1,716.87x = 2,575.51 × 1,286.76
  4. Step 4: Simplify right side
    1,716.87x = 3,314,060.03
  5. Step 5: Solve for x
    x = 3,314,060.03/1,716.87
  6. Step 6: Final answer
    x = 1,930.29

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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.