Home / 1,627.94-2,246.25-998.57

Finding the Fourth Proportional to 1,627.94, 2,246.25 and 998.57

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Solution

The fourth proportional to 1,627.94, 2,246.25 and 998.57 is: 1,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.94 : 2,246.25 = 998.57 : x
  2. Step 2: Convert to fraction form
    1,627.94/2,246.25 = 998.57/x
  3. Step 3: Cross multiply
    1,627.94x = 2,246.25 × 998.57
  4. Step 4: Simplify right side
    1,627.94x = 2,243,021.64
  5. Step 5: Solve for x
    x = 2,243,021.64/1,627.94
  6. Step 6: Final answer
    x = 1,377.83

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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.