Home / 3,425.87-4,727.71-1,933.79

Finding the Fourth Proportional to 3,425.87, 4,727.71 and 1,933.79

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Solution

The fourth proportional to 3,425.87, 4,727.71 and 1,933.79 is: 2,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.87 : 4,727.71 = 1,933.79 : x
  2. Step 2: Convert to fraction form
    3,425.87/4,727.71 = 1,933.79/x
  3. Step 3: Cross multiply
    3,425.87x = 4,727.71 × 1,933.79
  4. Step 4: Simplify right side
    3,425.87x = 9,142,398.32
  5. Step 5: Solve for x
    x = 9,142,398.32/3,425.87
  6. Step 6: Final answer
    x = 2,668.64

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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.