Home / 3,755.79-5,183.15-2,340.32

Finding the Fourth Proportional to 3,755.79, 5,183.15 and 2,340.32

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Solution

The fourth proportional to 3,755.79, 5,183.15 and 2,340.32 is: 3,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.79 : 5,183.15 = 2,340.32 : x
  2. Step 2: Convert to fraction form
    3,755.79/5,183.15 = 2,340.32/x
  3. Step 3: Cross multiply
    3,755.79x = 5,183.15 × 2,340.32
  4. Step 4: Simplify right side
    3,755.79x = 12,130,191.99
  5. Step 5: Solve for x
    x = 12,130,191.99/3,755.79
  6. Step 6: Final answer
    x = 3,229.73

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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.