Home / 3,243.59-4,471.49-2,310.47

Finding the Fourth Proportional to 3,243.59, 4,471.49 and 2,310.47

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Solution

The fourth proportional to 3,243.59, 4,471.49 and 2,310.47 is: 3,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.59 : 4,471.49 = 2,310.47 : x
  2. Step 2: Convert to fraction form
    3,243.59/4,471.49 = 2,310.47/x
  3. Step 3: Cross multiply
    3,243.59x = 4,471.49 × 2,310.47
  4. Step 4: Simplify right side
    3,243.59x = 10,331,230.69
  5. Step 5: Solve for x
    x = 10,331,230.69/3,243.59
  6. Step 6: Final answer
    x = 3,185.12

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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.