Home / 3,249.10-4,874.38-1,516.78

Finding the Fourth Proportional to 3,249.10, 4,874.38 and 1,516.78

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Solution

The fourth proportional to 3,249.10, 4,874.38 and 1,516.78 is: 2,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.10 : 4,874.38 = 1,516.78 : x
  2. Step 2: Convert to fraction form
    3,249.10/4,874.38 = 1,516.78/x
  3. Step 3: Cross multiply
    3,249.10x = 4,874.38 × 1,516.78
  4. Step 4: Simplify right side
    3,249.10x = 7,393,362.10
  5. Step 5: Solve for x
    x = 7,393,362.10/3,249.10
  6. Step 6: Final answer
    x = 2,275.51

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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.