Home / 1,974.43-2,723.50-1,177.22

Finding the Fourth Proportional to 1,974.43, 2,723.50 and 1,177.22

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Solution

The fourth proportional to 1,974.43, 2,723.50 and 1,177.22 is: 1,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.43 : 2,723.50 = 1,177.22 : x
  2. Step 2: Convert to fraction form
    1,974.43/2,723.50 = 1,177.22/x
  3. Step 3: Cross multiply
    1,974.43x = 2,723.50 × 1,177.22
  4. Step 4: Simplify right side
    1,974.43x = 3,206,166.95
  5. Step 5: Solve for x
    x = 3,206,166.95/1,974.43
  6. Step 6: Final answer
    x = 1,623.84

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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.