Home / 2,489.26-3,434.97-1,441.12

Finding the Fourth Proportional to 2,489.26, 3,434.97 and 1,441.12

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Solution

The fourth proportional to 2,489.26, 3,434.97 and 1,441.12 is: 1,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.26 : 3,434.97 = 1,441.12 : x
  2. Step 2: Convert to fraction form
    2,489.26/3,434.97 = 1,441.12/x
  3. Step 3: Cross multiply
    2,489.26x = 3,434.97 × 1,441.12
  4. Step 4: Simplify right side
    2,489.26x = 4,950,203.97
  5. Step 5: Solve for x
    x = 4,950,203.97/2,489.26
  6. Step 6: Final answer
    x = 1,988.62

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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.