Home / 3,409.20-4,704.61-2,230.25

Finding the Fourth Proportional to 3,409.20, 4,704.61 and 2,230.25

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Solution

The fourth proportional to 3,409.20, 4,704.61 and 2,230.25 is: 3,077.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.20 : 4,704.61 = 2,230.25 : x
  2. Step 2: Convert to fraction form
    3,409.20/4,704.61 = 2,230.25/x
  3. Step 3: Cross multiply
    3,409.20x = 4,704.61 × 2,230.25
  4. Step 4: Simplify right side
    3,409.20x = 10,492,456.45
  5. Step 5: Solve for x
    x = 10,492,456.45/3,409.20
  6. Step 6: Final answer
    x = 3,077.69

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Half scale
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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.