Home / 2,512.20-3,468.36-1,674.12

Finding the Fourth Proportional to 2,512.20, 3,468.36 and 1,674.12

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Solution

The fourth proportional to 2,512.20, 3,468.36 and 1,674.12 is: 2,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.20 : 3,468.36 = 1,674.12 : x
  2. Step 2: Convert to fraction form
    2,512.20/3,468.36 = 1,674.12/x
  3. Step 3: Cross multiply
    2,512.20x = 3,468.36 × 1,674.12
  4. Step 4: Simplify right side
    2,512.20x = 5,806,450.84
  5. Step 5: Solve for x
    x = 5,806,450.84/2,512.20
  6. Step 6: Final answer
    x = 2,311.30

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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.