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Finding the Fourth Proportional to 3,795.80, 5,693.70 and 3,722.90

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Solution

The fourth proportional to 3,795.80, 5,693.70 and 3,722.90 is: 5,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.80 : 5,693.70 = 3,722.90 : x
  2. Step 2: Convert to fraction form
    3,795.80/5,693.70 = 3,722.90/x
  3. Step 3: Cross multiply
    3,795.80x = 5,693.70 × 3,722.90
  4. Step 4: Simplify right side
    3,795.80x = 21,197,075.73
  5. Step 5: Solve for x
    x = 21,197,075.73/3,795.80
  6. Step 6: Final answer
    x = 5,584.35

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Similar ratio
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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.