Home / 3,355.26-4,630.49-1,939.42

Finding the Fourth Proportional to 3,355.26, 4,630.49 and 1,939.42

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Solution

The fourth proportional to 3,355.26, 4,630.49 and 1,939.42 is: 2,676.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.26 : 4,630.49 = 1,939.42 : x
  2. Step 2: Convert to fraction form
    3,355.26/4,630.49 = 1,939.42/x
  3. Step 3: Cross multiply
    3,355.26x = 4,630.49 × 1,939.42
  4. Step 4: Simplify right side
    3,355.26x = 8,980,464.92
  5. Step 5: Solve for x
    x = 8,980,464.92/3,355.26
  6. Step 6: Final answer
    x = 2,676.53

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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.