Home / 1,629.11-2,246.94-1,098.56

Finding the Fourth Proportional to 1,629.11, 2,246.94 and 1,098.56

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Solution

The fourth proportional to 1,629.11, 2,246.94 and 1,098.56 is: 1,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.11 : 2,246.94 = 1,098.56 : x
  2. Step 2: Convert to fraction form
    1,629.11/2,246.94 = 1,098.56/x
  3. Step 3: Cross multiply
    1,629.11x = 2,246.94 × 1,098.56
  4. Step 4: Simplify right side
    1,629.11x = 2,468,398.41
  5. Step 5: Solve for x
    x = 2,468,398.41/1,629.11
  6. Step 6: Final answer
    x = 1,515.18

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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.