Home / 1,168.20-1,741.38-1,150.38

Finding the Fourth Proportional to 1,168.20, 1,741.38 and 1,150.38

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Solution

The fourth proportional to 1,168.20, 1,741.38 and 1,150.38 is: 1,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.20 : 1,741.38 = 1,150.38 : x
  2. Step 2: Convert to fraction form
    1,168.20/1,741.38 = 1,150.38/x
  3. Step 3: Cross multiply
    1,168.20x = 1,741.38 × 1,150.38
  4. Step 4: Simplify right side
    1,168.20x = 2,003,248.72
  5. Step 5: Solve for x
    x = 2,003,248.72/1,168.20
  6. Step 6: Final answer
    x = 1,714.82

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.