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Finding the Fourth Proportional to 3,797.65, 5,688.60 and 3,520.81

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Solution

The fourth proportional to 3,797.65, 5,688.60 and 3,520.81 is: 5,273.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797.65 : 5,688.60 = 3,520.81 : x
  2. Step 2: Convert to fraction form
    3,797.65/5,688.60 = 3,520.81/x
  3. Step 3: Cross multiply
    3,797.65x = 5,688.60 × 3,520.81
  4. Step 4: Simplify right side
    3,797.65x = 20,028,479.77
  5. Step 5: Solve for x
    x = 20,028,479.77/3,797.65
  6. Step 6: Final answer
    x = 5,273.91

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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.