Home / 3,425.90-4,727.70-1,933.81

Finding the Fourth Proportional to 3,425.90, 4,727.70 and 1,933.81

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Solution

The fourth proportional to 3,425.90, 4,727.70 and 1,933.81 is: 2,668.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.90 : 4,727.70 = 1,933.81 : x
  2. Step 2: Convert to fraction form
    3,425.90/4,727.70 = 1,933.81/x
  3. Step 3: Cross multiply
    3,425.90x = 4,727.70 × 1,933.81
  4. Step 4: Simplify right side
    3,425.90x = 9,142,461.72
  5. Step 5: Solve for x
    x = 9,142,461.72/3,425.90
  6. Step 6: Final answer
    x = 2,668.63

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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.