Home / 2,278.37-3,418.91-1,183.12

Finding the Fourth Proportional to 2,278.37, 3,418.91 and 1,183.12

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Solution

The fourth proportional to 2,278.37, 3,418.91 and 1,183.12 is: 1,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.37 : 3,418.91 = 1,183.12 : x
  2. Step 2: Convert to fraction form
    2,278.37/3,418.91 = 1,183.12/x
  3. Step 3: Cross multiply
    2,278.37x = 3,418.91 × 1,183.12
  4. Step 4: Simplify right side
    2,278.37x = 4,044,980.80
  5. Step 5: Solve for x
    x = 4,044,980.80/2,278.37
  6. Step 6: Final answer
    x = 1,775.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.