Home / 3,982.66-5,481.57-3,507.45

Finding the Fourth Proportional to 3,982.66, 5,481.57 and 3,507.45

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Solution

The fourth proportional to 3,982.66, 5,481.57 and 3,507.45 is: 4,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.66 : 5,481.57 = 3,507.45 : x
  2. Step 2: Convert to fraction form
    3,982.66/5,481.57 = 3,507.45/x
  3. Step 3: Cross multiply
    3,982.66x = 5,481.57 × 3,507.45
  4. Step 4: Simplify right side
    3,982.66x = 19,226,332.70
  5. Step 5: Solve for x
    x = 19,226,332.70/3,982.66
  6. Step 6: Final answer
    x = 4,827.51

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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.