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Finding the Fourth Proportional to 1,458.74, 2,183.79 and 944.66

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Solution

The fourth proportional to 1,458.74, 2,183.79 and 944.66 is: 1,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.74 : 2,183.79 = 944.66 : x
  2. Step 2: Convert to fraction form
    1,458.74/2,183.79 = 944.66/x
  3. Step 3: Cross multiply
    1,458.74x = 2,183.79 × 944.66
  4. Step 4: Simplify right side
    1,458.74x = 2,062,939.06
  5. Step 5: Solve for x
    x = 2,062,939.06/1,458.74
  6. Step 6: Final answer
    x = 1,414.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.