Home / 3,326.33-4,991.22-1,478.76

Finding the Fourth Proportional to 3,326.33, 4,991.22 and 1,478.76

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Solution

The fourth proportional to 3,326.33, 4,991.22 and 1,478.76 is: 2,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.33 : 4,991.22 = 1,478.76 : x
  2. Step 2: Convert to fraction form
    3,326.33/4,991.22 = 1,478.76/x
  3. Step 3: Cross multiply
    3,326.33x = 4,991.22 × 1,478.76
  4. Step 4: Simplify right side
    3,326.33x = 7,380,816.49
  5. Step 5: Solve for x
    x = 7,380,816.49/3,326.33
  6. Step 6: Final answer
    x = 2,218.91

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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.