Home / 1,716.97-2,369.44-931.03

Finding the Fourth Proportional to 1,716.97, 2,369.44 and 931.03

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Solution

The fourth proportional to 1,716.97, 2,369.44 and 931.03 is: 1,284.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.97 : 2,369.44 = 931.03 : x
  2. Step 2: Convert to fraction form
    1,716.97/2,369.44 = 931.03/x
  3. Step 3: Cross multiply
    1,716.97x = 2,369.44 × 931.03
  4. Step 4: Simplify right side
    1,716.97x = 2,206,019.72
  5. Step 5: Solve for x
    x = 2,206,019.72/1,716.97
  6. Step 6: Final answer
    x = 1,284.83

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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.