Home / 2,674.32-3,687.12-1,789.44

Finding the Fourth Proportional to 2,674.32, 3,687.12 and 1,789.44

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Solution

The fourth proportional to 2,674.32, 3,687.12 and 1,789.44 is: 2,467.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.32 : 3,687.12 = 1,789.44 : x
  2. Step 2: Convert to fraction form
    2,674.32/3,687.12 = 1,789.44/x
  3. Step 3: Cross multiply
    2,674.32x = 3,687.12 × 1,789.44
  4. Step 4: Simplify right side
    2,674.32x = 6,597,880.01
  5. Step 5: Solve for x
    x = 6,597,880.01/2,674.32
  6. Step 6: Final answer
    x = 2,467.12

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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.