Home / 3,241.73-4,471.78-2,124.47

Finding the Fourth Proportional to 3,241.73, 4,471.78 and 2,124.47

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Solution

The fourth proportional to 3,241.73, 4,471.78 and 2,124.47 is: 2,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.73 : 4,471.78 = 2,124.47 : x
  2. Step 2: Convert to fraction form
    3,241.73/4,471.78 = 2,124.47/x
  3. Step 3: Cross multiply
    3,241.73x = 4,471.78 × 2,124.47
  4. Step 4: Simplify right side
    3,241.73x = 9,500,153.13
  5. Step 5: Solve for x
    x = 9,500,153.13/3,241.73
  6. Step 6: Final answer
    x = 2,930.58

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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.