Home / 3,755.79-5,183.39-2,162.51

Finding the Fourth Proportional to 3,755.79, 5,183.39 and 2,162.51

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Solution

The fourth proportional to 3,755.79, 5,183.39 and 2,162.51 is: 2,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.79 : 5,183.39 = 2,162.51 : x
  2. Step 2: Convert to fraction form
    3,755.79/5,183.39 = 2,162.51/x
  3. Step 3: Cross multiply
    3,755.79x = 5,183.39 × 2,162.51
  4. Step 4: Simplify right side
    3,755.79x = 11,209,095.98
  5. Step 5: Solve for x
    x = 11,209,095.98/3,755.79
  6. Step 6: Final answer
    x = 2,984.48

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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.