Home / 3,221.28-4,833.54-2,440.98

Finding the Fourth Proportional to 3,221.28, 4,833.54 and 2,440.98

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Solution

The fourth proportional to 3,221.28, 4,833.54 and 2,440.98 is: 3,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.28 : 4,833.54 = 2,440.98 : x
  2. Step 2: Convert to fraction form
    3,221.28/4,833.54 = 2,440.98/x
  3. Step 3: Cross multiply
    3,221.28x = 4,833.54 × 2,440.98
  4. Step 4: Simplify right side
    3,221.28x = 11,798,574.47
  5. Step 5: Solve for x
    x = 11,798,574.47/3,221.28
  6. Step 6: Final answer
    x = 3,662.70

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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.