Home / 3,184-4,394.33-1,786.75

Finding the Fourth Proportional to 3,184, 4,394.33 and 1,786.75

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Solution

The fourth proportional to 3,184, 4,394.33 and 1,786.75 is: 2,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184 : 4,394.33 = 1,786.75 : x
  2. Step 2: Convert to fraction form
    3,184/4,394.33 = 1,786.75/x
  3. Step 3: Cross multiply
    3,184x = 4,394.33 × 1,786.75
  4. Step 4: Simplify right side
    3,184x = 7,851,560.19
  5. Step 5: Solve for x
    x = 7,851,560.19/3,184
  6. Step 6: Final answer
    x = 2,465.94

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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.