Home / 1,960.10-2,705.18-1,174.13

Finding the Fourth Proportional to 1,960.10, 2,705.18 and 1,174.13

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Solution

The fourth proportional to 1,960.10, 2,705.18 and 1,174.13 is: 1,620.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.10 : 2,705.18 = 1,174.13 : x
  2. Step 2: Convert to fraction form
    1,960.10/2,705.18 = 1,174.13/x
  3. Step 3: Cross multiply
    1,960.10x = 2,705.18 × 1,174.13
  4. Step 4: Simplify right side
    1,960.10x = 3,176,213.60
  5. Step 5: Solve for x
    x = 3,176,213.60/1,960.10
  6. Step 6: Final answer
    x = 1,620.44

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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.