Home / 3,783.06-5,221.17-2,270.69

Finding the Fourth Proportional to 3,783.06, 5,221.17 and 2,270.69

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Solution

The fourth proportional to 3,783.06, 5,221.17 and 2,270.69 is: 3,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.06 : 5,221.17 = 2,270.69 : x
  2. Step 2: Convert to fraction form
    3,783.06/5,221.17 = 2,270.69/x
  3. Step 3: Cross multiply
    3,783.06x = 5,221.17 × 2,270.69
  4. Step 4: Simplify right side
    3,783.06x = 11,855,658.51
  5. Step 5: Solve for x
    x = 11,855,658.51/3,783.06
  6. Step 6: Final answer
    x = 3,133.88

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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.