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Finding the Fourth Proportional to 3,995.00, 5,995.70 and 1,803.92

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Solution

The fourth proportional to 3,995.00, 5,995.70 and 1,803.92 is: 2,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.00 : 5,995.70 = 1,803.92 : x
  2. Step 2: Convert to fraction form
    3,995.00/5,995.70 = 1,803.92/x
  3. Step 3: Cross multiply
    3,995.00x = 5,995.70 × 1,803.92
  4. Step 4: Simplify right side
    3,995.00x = 10,815,737.68
  5. Step 5: Solve for x
    x = 10,815,737.68/3,995.00
  6. Step 6: Final answer
    x = 2,707.32

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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.