Home / 2,137.27-2,949.44-1,253.08

Finding the Fourth Proportional to 2,137.27, 2,949.44 and 1,253.08

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Solution

The fourth proportional to 2,137.27, 2,949.44 and 1,253.08 is: 1,729.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.27 : 2,949.44 = 1,253.08 : x
  2. Step 2: Convert to fraction form
    2,137.27/2,949.44 = 1,253.08/x
  3. Step 3: Cross multiply
    2,137.27x = 2,949.44 × 1,253.08
  4. Step 4: Simplify right side
    2,137.27x = 3,695,884.28
  5. Step 5: Solve for x
    x = 3,695,884.28/2,137.27
  6. Step 6: Final answer
    x = 1,729.25

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1.5x scale

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.