Home / 1,631.09-2,249.97-1,040.96

Finding the Fourth Proportional to 1,631.09, 2,249.97 and 1,040.96

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Solution

The fourth proportional to 1,631.09, 2,249.97 and 1,040.96 is: 1,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.09 : 2,249.97 = 1,040.96 : x
  2. Step 2: Convert to fraction form
    1,631.09/2,249.97 = 1,040.96/x
  3. Step 3: Cross multiply
    1,631.09x = 2,249.97 × 1,040.96
  4. Step 4: Simplify right side
    1,631.09x = 2,342,130.49
  5. Step 5: Solve for x
    x = 2,342,130.49/1,631.09
  6. Step 6: Final answer
    x = 1,435.93

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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.