Home / 3,409.12-5,107.92-2,173.60

Finding the Fourth Proportional to 3,409.12, 5,107.92 and 2,173.60

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Solution

The fourth proportional to 3,409.12, 5,107.92 and 2,173.60 is: 3,256.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.12 : 5,107.92 = 2,173.60 : x
  2. Step 2: Convert to fraction form
    3,409.12/5,107.92 = 2,173.60/x
  3. Step 3: Cross multiply
    3,409.12x = 5,107.92 × 2,173.60
  4. Step 4: Simplify right side
    3,409.12x = 11,102,574.91
  5. Step 5: Solve for x
    x = 11,102,574.91/3,409.12
  6. Step 6: Final answer
    x = 3,256.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.