Home / 2,250.22-3,376.87-789.40

Finding the Fourth Proportional to 2,250.22, 3,376.87 and 789.40

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Solution

The fourth proportional to 2,250.22, 3,376.87 and 789.40 is: 1,184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.22 : 3,376.87 = 789.40 : x
  2. Step 2: Convert to fraction form
    2,250.22/3,376.87 = 789.40/x
  3. Step 3: Cross multiply
    2,250.22x = 3,376.87 × 789.40
  4. Step 4: Simplify right side
    2,250.22x = 2,665,701.18
  5. Step 5: Solve for x
    x = 2,665,701.18/2,250.22
  6. Step 6: Final answer
    x = 1,184.64

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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.