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Finding the Fourth Proportional to 2,392.94, 3,589.11 and 933.12

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Solution

The fourth proportional to 2,392.94, 3,589.11 and 933.12 is: 1,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.94 : 3,589.11 = 933.12 : x
  2. Step 2: Convert to fraction form
    2,392.94/3,589.11 = 933.12/x
  3. Step 3: Cross multiply
    2,392.94x = 3,589.11 × 933.12
  4. Step 4: Simplify right side
    2,392.94x = 3,349,070.32
  5. Step 5: Solve for x
    x = 3,349,070.32/2,392.94
  6. Step 6: Final answer
    x = 1,399.56

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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.