Home / 1,899.11-2,621.22-1,234.81

Finding the Fourth Proportional to 1,899.11, 2,621.22 and 1,234.81

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Solution

The fourth proportional to 1,899.11, 2,621.22 and 1,234.81 is: 1,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.11 : 2,621.22 = 1,234.81 : x
  2. Step 2: Convert to fraction form
    1,899.11/2,621.22 = 1,234.81/x
  3. Step 3: Cross multiply
    1,899.11x = 2,621.22 × 1,234.81
  4. Step 4: Simplify right side
    1,899.11x = 3,236,707.31
  5. Step 5: Solve for x
    x = 3,236,707.31/1,899.11
  6. Step 6: Final answer
    x = 1,704.33

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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.