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Finding the Fourth Proportional to 1,579.84, 2,367.96 and 712.36

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Solution

The fourth proportional to 1,579.84, 2,367.96 and 712.36 is: 1,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.84 : 2,367.96 = 712.36 : x
  2. Step 2: Convert to fraction form
    1,579.84/2,367.96 = 712.36/x
  3. Step 3: Cross multiply
    1,579.84x = 2,367.96 × 712.36
  4. Step 4: Simplify right side
    1,579.84x = 1,686,839.99
  5. Step 5: Solve for x
    x = 1,686,839.99/1,579.84
  6. Step 6: Final answer
    x = 1,067.73

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