Home / 3,872.43-5,344.40-3,634.92

Finding the Fourth Proportional to 3,872.43, 5,344.40 and 3,634.92

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Solution

The fourth proportional to 3,872.43, 5,344.40 and 3,634.92 is: 5,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.43 : 5,344.40 = 3,634.92 : x
  2. Step 2: Convert to fraction form
    3,872.43/5,344.40 = 3,634.92/x
  3. Step 3: Cross multiply
    3,872.43x = 5,344.40 × 3,634.92
  4. Step 4: Simplify right side
    3,872.43x = 19,426,448.27
  5. Step 5: Solve for x
    x = 19,426,448.27/3,872.43
  6. Step 6: Final answer
    x = 5,016.60

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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.