Home / 2,137.14-2,949.26-1,252.95

Finding the Fourth Proportional to 2,137.14, 2,949.26 and 1,252.95

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Solution

The fourth proportional to 2,137.14, 2,949.26 and 1,252.95 is: 1,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.14 : 2,949.26 = 1,252.95 : x
  2. Step 2: Convert to fraction form
    2,137.14/2,949.26 = 1,252.95/x
  3. Step 3: Cross multiply
    2,137.14x = 2,949.26 × 1,252.95
  4. Step 4: Simplify right side
    2,137.14x = 3,695,269.05
  5. Step 5: Solve for x
    x = 3,695,269.05/2,137.14
  6. Step 6: Final answer
    x = 1,729.07

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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.