Home / 3,425.45-4,727.16-1,933.38

Finding the Fourth Proportional to 3,425.45, 4,727.16 and 1,933.38

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Solution

The fourth proportional to 3,425.45, 4,727.16 and 1,933.38 is: 2,668.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.45 : 4,727.16 = 1,933.38 : x
  2. Step 2: Convert to fraction form
    3,425.45/4,727.16 = 1,933.38/x
  3. Step 3: Cross multiply
    3,425.45x = 4,727.16 × 1,933.38
  4. Step 4: Simplify right side
    3,425.45x = 9,139,396.60
  5. Step 5: Solve for x
    x = 9,139,396.60/3,425.45
  6. Step 6: Final answer
    x = 2,668.09

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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.