Home / 1,960.67-2,705.16-1,174.57

Finding the Fourth Proportional to 1,960.67, 2,705.16 and 1,174.57

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Solution

The fourth proportional to 1,960.67, 2,705.16 and 1,174.57 is: 1,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.67 : 2,705.16 = 1,174.57 : x
  2. Step 2: Convert to fraction form
    1,960.67/2,705.16 = 1,174.57/x
  3. Step 3: Cross multiply
    1,960.67x = 2,705.16 × 1,174.57
  4. Step 4: Simplify right side
    1,960.67x = 3,177,397.42
  5. Step 5: Solve for x
    x = 3,177,397.42/1,960.67
  6. Step 6: Final answer
    x = 1,620.57

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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.