Home / 3,901.53-5,383.76-2,222.49

Finding the Fourth Proportional to 3,901.53, 5,383.76 and 2,222.49

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Solution

The fourth proportional to 3,901.53, 5,383.76 and 2,222.49 is: 3,066.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.53 : 5,383.76 = 2,222.49 : x
  2. Step 2: Convert to fraction form
    3,901.53/5,383.76 = 2,222.49/x
  3. Step 3: Cross multiply
    3,901.53x = 5,383.76 × 2,222.49
  4. Step 4: Simplify right side
    3,901.53x = 11,965,341.65
  5. Step 5: Solve for x
    x = 11,965,341.65/3,901.53
  6. Step 6: Final answer
    x = 3,066.83

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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.