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Finding the Fourth Proportional to 2,088.59, 3,132.88 and 789.75

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Solution

The fourth proportional to 2,088.59, 3,132.88 and 789.75 is: 1,184.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.59 : 3,132.88 = 789.75 : x
  2. Step 2: Convert to fraction form
    2,088.59/3,132.88 = 789.75/x
  3. Step 3: Cross multiply
    2,088.59x = 3,132.88 × 789.75
  4. Step 4: Simplify right side
    2,088.59x = 2,474,190.01
  5. Step 5: Solve for x
    x = 2,474,190.01/2,088.59
  6. Step 6: Final answer
    x = 1,184.63

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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.