Home / 3,403.78-5,106.21-1,183.29

Finding the Fourth Proportional to 3,403.78, 5,106.21 and 1,183.29

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Solution

The fourth proportional to 3,403.78, 5,106.21 and 1,183.29 is: 1,775.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.78 : 5,106.21 = 1,183.29 : x
  2. Step 2: Convert to fraction form
    3,403.78/5,106.21 = 1,183.29/x
  3. Step 3: Cross multiply
    3,403.78x = 5,106.21 × 1,183.29
  4. Step 4: Simplify right side
    3,403.78x = 6,042,127.23
  5. Step 5: Solve for x
    x = 6,042,127.23/3,403.78
  6. Step 6: Final answer
    x = 1,775.12

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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.