Home / 3,330.81-5,003.09-3,220.14

Finding the Fourth Proportional to 3,330.81, 5,003.09 and 3,220.14

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Solution

The fourth proportional to 3,330.81, 5,003.09 and 3,220.14 is: 4,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.81 : 5,003.09 = 3,220.14 : x
  2. Step 2: Convert to fraction form
    3,330.81/5,003.09 = 3,220.14/x
  3. Step 3: Cross multiply
    3,330.81x = 5,003.09 × 3,220.14
  4. Step 4: Simplify right side
    3,330.81x = 16,110,634.13
  5. Step 5: Solve for x
    x = 16,110,634.13/3,330.81
  6. Step 6: Final answer
    x = 4,836.85

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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.