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Finding the Fourth Proportional to 1,493.83, 2,244.80 and 1,009.86

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Solution

The fourth proportional to 1,493.83, 2,244.80 and 1,009.86 is: 1,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.83 : 2,244.80 = 1,009.86 : x
  2. Step 2: Convert to fraction form
    1,493.83/2,244.80 = 1,009.86/x
  3. Step 3: Cross multiply
    1,493.83x = 2,244.80 × 1,009.86
  4. Step 4: Simplify right side
    1,493.83x = 2,266,933.73
  5. Step 5: Solve for x
    x = 2,266,933.73/1,493.83
  6. Step 6: Final answer
    x = 1,517.53

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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.