Home / 1,818.99-2,724.26-1,086.95

Finding the Fourth Proportional to 1,818.99, 2,724.26 and 1,086.95

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Solution

The fourth proportional to 1,818.99, 2,724.26 and 1,086.95 is: 1,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.99 : 2,724.26 = 1,086.95 : x
  2. Step 2: Convert to fraction form
    1,818.99/2,724.26 = 1,086.95/x
  3. Step 3: Cross multiply
    1,818.99x = 2,724.26 × 1,086.95
  4. Step 4: Simplify right side
    1,818.99x = 2,961,135.78
  5. Step 5: Solve for x
    x = 2,961,135.78/1,818.99
  6. Step 6: Final answer
    x = 1,627.90

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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.