Home / 3,230.76-4,458.64-1,814.56

Finding the Fourth Proportional to 3,230.76, 4,458.64 and 1,814.56

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Solution

The fourth proportional to 3,230.76, 4,458.64 and 1,814.56 is: 2,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.76 : 4,458.64 = 1,814.56 : x
  2. Step 2: Convert to fraction form
    3,230.76/4,458.64 = 1,814.56/x
  3. Step 3: Cross multiply
    3,230.76x = 4,458.64 × 1,814.56
  4. Step 4: Simplify right side
    3,230.76x = 8,090,469.80
  5. Step 5: Solve for x
    x = 8,090,469.80/3,230.76
  6. Step 6: Final answer
    x = 2,504.20

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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.