Home / 2,000.82-2,761.14-1,116.62

Finding the Fourth Proportional to 2,000.82, 2,761.14 and 1,116.62

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Solution

The fourth proportional to 2,000.82, 2,761.14 and 1,116.62 is: 1,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.82 : 2,761.14 = 1,116.62 : x
  2. Step 2: Convert to fraction form
    2,000.82/2,761.14 = 1,116.62/x
  3. Step 3: Cross multiply
    2,000.82x = 2,761.14 × 1,116.62
  4. Step 4: Simplify right side
    2,000.82x = 3,083,150.99
  5. Step 5: Solve for x
    x = 3,083,150.99/2,000.82
  6. Step 6: Final answer
    x = 1,540.94

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1.5x scale

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.