Home / 1,960.35-2,704.88-1,174.11

Finding the Fourth Proportional to 1,960.35, 2,704.88 and 1,174.11

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Solution

The fourth proportional to 1,960.35, 2,704.88 and 1,174.11 is: 1,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.35 : 2,704.88 = 1,174.11 : x
  2. Step 2: Convert to fraction form
    1,960.35/2,704.88 = 1,174.11/x
  3. Step 3: Cross multiply
    1,960.35x = 2,704.88 × 1,174.11
  4. Step 4: Simplify right side
    1,960.35x = 3,175,820.79
  5. Step 5: Solve for x
    x = 3,175,820.79/1,960.35
  6. Step 6: Final answer
    x = 1,620.03

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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.