Home / 2,168.18-2,992.08-1,173.44

Finding the Fourth Proportional to 2,168.18, 2,992.08 and 1,173.44

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Solution

The fourth proportional to 2,168.18, 2,992.08 and 1,173.44 is: 1,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.18 : 2,992.08 = 1,173.44 : x
  2. Step 2: Convert to fraction form
    2,168.18/2,992.08 = 1,173.44/x
  3. Step 3: Cross multiply
    2,168.18x = 2,992.08 × 1,173.44
  4. Step 4: Simplify right side
    2,168.18x = 3,511,005.53
  5. Step 5: Solve for x
    x = 3,511,005.53/2,168.18
  6. Step 6: Final answer
    x = 1,619.33

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1.5x scale

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.