Home / 2,252.44-3,109.38-1,321

Finding the Fourth Proportional to 2,252.44, 3,109.38 and 1,321

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Solution

The fourth proportional to 2,252.44, 3,109.38 and 1,321 is: 1,823.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.44 : 3,109.38 = 1,321 : x
  2. Step 2: Convert to fraction form
    2,252.44/3,109.38 = 1,321/x
  3. Step 3: Cross multiply
    2,252.44x = 3,109.38 × 1,321
  4. Step 4: Simplify right side
    2,252.44x = 4,107,490.98
  5. Step 5: Solve for x
    x = 4,107,490.98/2,252.44
  6. Step 6: Final answer
    x = 1,823.57

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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.