Home / 1,748.50-2,622.39-1,121.94

Finding the Fourth Proportional to 1,748.50, 2,622.39 and 1,121.94

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Solution

The fourth proportional to 1,748.50, 2,622.39 and 1,121.94 is: 1,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.50 : 2,622.39 = 1,121.94 : x
  2. Step 2: Convert to fraction form
    1,748.50/2,622.39 = 1,121.94/x
  3. Step 3: Cross multiply
    1,748.50x = 2,622.39 × 1,121.94
  4. Step 4: Simplify right side
    1,748.50x = 2,942,151.12
  5. Step 5: Solve for x
    x = 2,942,151.12/1,748.50
  6. Step 6: Final answer
    x = 1,682.68

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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.