Home / 3,815.73-5,710.62-3,200.13

Finding the Fourth Proportional to 3,815.73, 5,710.62 and 3,200.13

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Solution

The fourth proportional to 3,815.73, 5,710.62 and 3,200.13 is: 4,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.73 : 5,710.62 = 3,200.13 : x
  2. Step 2: Convert to fraction form
    3,815.73/5,710.62 = 3,200.13/x
  3. Step 3: Cross multiply
    3,815.73x = 5,710.62 × 3,200.13
  4. Step 4: Simplify right side
    3,815.73x = 18,274,726.38
  5. Step 5: Solve for x
    x = 18,274,726.38/3,815.73
  6. Step 6: Final answer
    x = 4,789.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.