Home / 3,682.29-5,523.69-1,218.85

Finding the Fourth Proportional to 3,682.29, 5,523.69 and 1,218.85

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Solution

The fourth proportional to 3,682.29, 5,523.69 and 1,218.85 is: 1,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.29 : 5,523.69 = 1,218.85 : x
  2. Step 2: Convert to fraction form
    3,682.29/5,523.69 = 1,218.85/x
  3. Step 3: Cross multiply
    3,682.29x = 5,523.69 × 1,218.85
  4. Step 4: Simplify right side
    3,682.29x = 6,732,540.32
  5. Step 5: Solve for x
    x = 6,732,540.32/3,682.29
  6. Step 6: Final answer
    x = 1,828.36

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1.5x scale

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.