Home / 3,972.24-5,953.10-1,997.87

Finding the Fourth Proportional to 3,972.24, 5,953.10 and 1,997.87

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Solution

The fourth proportional to 3,972.24, 5,953.10 and 1,997.87 is: 2,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.24 : 5,953.10 = 1,997.87 : x
  2. Step 2: Convert to fraction form
    3,972.24/5,953.10 = 1,997.87/x
  3. Step 3: Cross multiply
    3,972.24x = 5,953.10 × 1,997.87
  4. Step 4: Simplify right side
    3,972.24x = 11,893,480.14
  5. Step 5: Solve for x
    x = 11,893,480.14/3,972.24
  6. Step 6: Final answer
    x = 2,994.15

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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.