Home / 2,966.78-4,451.26-1,235.54

Finding the Fourth Proportional to 2,966.78, 4,451.26 and 1,235.54

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Solution

The fourth proportional to 2,966.78, 4,451.26 and 1,235.54 is: 1,853.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.78 : 4,451.26 = 1,235.54 : x
  2. Step 2: Convert to fraction form
    2,966.78/4,451.26 = 1,235.54/x
  3. Step 3: Cross multiply
    2,966.78x = 4,451.26 × 1,235.54
  4. Step 4: Simplify right side
    2,966.78x = 5,499,709.78
  5. Step 5: Solve for x
    x = 5,499,709.78/2,966.78
  6. Step 6: Final answer
    x = 1,853.76

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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.