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Finding the Fourth Proportional to 3,949.16, 5,923.02 and 1,756.04

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Solution

The fourth proportional to 3,949.16, 5,923.02 and 1,756.04 is: 2,633.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.16 : 5,923.02 = 1,756.04 : x
  2. Step 2: Convert to fraction form
    3,949.16/5,923.02 = 1,756.04/x
  3. Step 3: Cross multiply
    3,949.16x = 5,923.02 × 1,756.04
  4. Step 4: Simplify right side
    3,949.16x = 10,401,060.04
  5. Step 5: Solve for x
    x = 10,401,060.04/3,949.16
  6. Step 6: Final answer
    x = 2,633.74

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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.