Home / 3,681.90-5,523.23-1,216.73

Finding the Fourth Proportional to 3,681.90, 5,523.23 and 1,216.73

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Solution

The fourth proportional to 3,681.90, 5,523.23 and 1,216.73 is: 1,825.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.90 : 5,523.23 = 1,216.73 : x
  2. Step 2: Convert to fraction form
    3,681.90/5,523.23 = 1,216.73/x
  3. Step 3: Cross multiply
    3,681.90x = 5,523.23 × 1,216.73
  4. Step 4: Simplify right side
    3,681.90x = 6,720,279.64
  5. Step 5: Solve for x
    x = 6,720,279.64/3,681.90
  6. Step 6: Final answer
    x = 1,825.22

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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.