Home / 1,861.14-2,566.17-1,198.02

Finding the Fourth Proportional to 1,861.14, 2,566.17 and 1,198.02

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Solution

The fourth proportional to 1,861.14, 2,566.17 and 1,198.02 is: 1,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861.14 : 2,566.17 = 1,198.02 : x
  2. Step 2: Convert to fraction form
    1,861.14/2,566.17 = 1,198.02/x
  3. Step 3: Cross multiply
    1,861.14x = 2,566.17 × 1,198.02
  4. Step 4: Simplify right side
    1,861.14x = 3,074,322.98
  5. Step 5: Solve for x
    x = 3,074,322.98/1,861.14
  6. Step 6: Final answer
    x = 1,651.85

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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.