Home / 1,716.18-2,377.85-1,679.28

Finding the Fourth Proportional to 1,716.18, 2,377.85 and 1,679.28

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Solution

The fourth proportional to 1,716.18, 2,377.85 and 1,679.28 is: 2,326.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.18 : 2,377.85 = 1,679.28 : x
  2. Step 2: Convert to fraction form
    1,716.18/2,377.85 = 1,679.28/x
  3. Step 3: Cross multiply
    1,716.18x = 2,377.85 × 1,679.28
  4. Step 4: Simplify right side
    1,716.18x = 3,993,067.55
  5. Step 5: Solve for x
    x = 3,993,067.55/1,716.18
  6. Step 6: Final answer
    x = 2,326.72

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.