Home / 3,425.88-4,727.70-1,933.78

Finding the Fourth Proportional to 3,425.88, 4,727.70 and 1,933.78

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Solution

The fourth proportional to 3,425.88, 4,727.70 and 1,933.78 is: 2,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.88 : 4,727.70 = 1,933.78 : x
  2. Step 2: Convert to fraction form
    3,425.88/4,727.70 = 1,933.78/x
  3. Step 3: Cross multiply
    3,425.88x = 4,727.70 × 1,933.78
  4. Step 4: Simplify right side
    3,425.88x = 9,142,331.71
  5. Step 5: Solve for x
    x = 9,142,331.71/3,425.88
  6. Step 6: Final answer
    x = 2,668.61

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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.