Home / 2,137.32-2,949.21-1,252.94

Finding the Fourth Proportional to 2,137.32, 2,949.21 and 1,252.94

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Solution

The fourth proportional to 2,137.32, 2,949.21 and 1,252.94 is: 1,728.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.32 : 2,949.21 = 1,252.94 : x
  2. Step 2: Convert to fraction form
    2,137.32/2,949.21 = 1,252.94/x
  3. Step 3: Cross multiply
    2,137.32x = 2,949.21 × 1,252.94
  4. Step 4: Simplify right side
    2,137.32x = 3,695,168.43
  5. Step 5: Solve for x
    x = 3,695,168.43/2,137.32
  6. Step 6: Final answer
    x = 1,728.88

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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.