Home / 3,962.82-5,468.69-2,285.21

Finding the Fourth Proportional to 3,962.82, 5,468.69 and 2,285.21

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Solution

The fourth proportional to 3,962.82, 5,468.69 and 2,285.21 is: 3,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.82 : 5,468.69 = 2,285.21 : x
  2. Step 2: Convert to fraction form
    3,962.82/5,468.69 = 2,285.21/x
  3. Step 3: Cross multiply
    3,962.82x = 5,468.69 × 2,285.21
  4. Step 4: Simplify right side
    3,962.82x = 12,497,105.07
  5. Step 5: Solve for x
    x = 12,497,105.07/3,962.82
  6. Step 6: Final answer
    x = 3,153.59

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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.