Home / 3,425.89-4,727.80-1,933.72

Finding the Fourth Proportional to 3,425.89, 4,727.80 and 1,933.72

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Solution

The fourth proportional to 3,425.89, 4,727.80 and 1,933.72 is: 2,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.89 : 4,727.80 = 1,933.72 : x
  2. Step 2: Convert to fraction form
    3,425.89/4,727.80 = 1,933.72/x
  3. Step 3: Cross multiply
    3,425.89x = 4,727.80 × 1,933.72
  4. Step 4: Simplify right side
    3,425.89x = 9,142,217.78
  5. Step 5: Solve for x
    x = 9,142,217.78/3,425.89
  6. Step 6: Final answer
    x = 2,668.57

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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.