Home / 3,363.88-4,631.42-2,921.62

Finding the Fourth Proportional to 3,363.88, 4,631.42 and 2,921.62

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Solution

The fourth proportional to 3,363.88, 4,631.42 and 2,921.62 is: 4,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.88 : 4,631.42 = 2,921.62 : x
  2. Step 2: Convert to fraction form
    3,363.88/4,631.42 = 2,921.62/x
  3. Step 3: Cross multiply
    3,363.88x = 4,631.42 × 2,921.62
  4. Step 4: Simplify right side
    3,363.88x = 13,531,249.30
  5. Step 5: Solve for x
    x = 13,531,249.30/3,363.88
  6. Step 6: Final answer
    x = 4,022.51

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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.