Home / 1,997.22-2,756.50-1,474.76

Finding the Fourth Proportional to 1,997.22, 2,756.50 and 1,474.76

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Solution

The fourth proportional to 1,997.22, 2,756.50 and 1,474.76 is: 2,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997.22 : 2,756.50 = 1,474.76 : x
  2. Step 2: Convert to fraction form
    1,997.22/2,756.50 = 1,474.76/x
  3. Step 3: Cross multiply
    1,997.22x = 2,756.50 × 1,474.76
  4. Step 4: Simplify right side
    1,997.22x = 4,065,175.94
  5. Step 5: Solve for x
    x = 4,065,175.94/1,997.22
  6. Step 6: Final answer
    x = 2,035.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.