Home / 1,922.04-2,651.92-1,175.72

Finding the Fourth Proportional to 1,922.04, 2,651.92 and 1,175.72

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Solution

The fourth proportional to 1,922.04, 2,651.92 and 1,175.72 is: 1,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.04 : 2,651.92 = 1,175.72 : x
  2. Step 2: Convert to fraction form
    1,922.04/2,651.92 = 1,175.72/x
  3. Step 3: Cross multiply
    1,922.04x = 2,651.92 × 1,175.72
  4. Step 4: Simplify right side
    1,922.04x = 3,117,912.44
  5. Step 5: Solve for x
    x = 3,117,912.44/1,922.04
  6. Step 6: Final answer
    x = 1,622.19

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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.