Home / 2,180.28-3,270.30-536.82

Finding the Fourth Proportional to 2,180.28, 3,270.30 and 536.82

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Solution

The fourth proportional to 2,180.28, 3,270.30 and 536.82 is: 805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.28 : 3,270.30 = 536.82 : x
  2. Step 2: Convert to fraction form
    2,180.28/3,270.30 = 536.82/x
  3. Step 3: Cross multiply
    2,180.28x = 3,270.30 × 536.82
  4. Step 4: Simplify right side
    2,180.28x = 1,755,562.45
  5. Step 5: Solve for x
    x = 1,755,562.45/2,180.28
  6. Step 6: Final answer
    x = 805.20

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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.