Home / 3,102.62-4,655.79-1,788.03

Finding the Fourth Proportional to 3,102.62, 4,655.79 and 1,788.03

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Solution

The fourth proportional to 3,102.62, 4,655.79 and 1,788.03 is: 2,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.62 : 4,655.79 = 1,788.03 : x
  2. Step 2: Convert to fraction form
    3,102.62/4,655.79 = 1,788.03/x
  3. Step 3: Cross multiply
    3,102.62x = 4,655.79 × 1,788.03
  4. Step 4: Simplify right side
    3,102.62x = 8,324,692.19
  5. Step 5: Solve for x
    x = 8,324,692.19/3,102.62
  6. Step 6: Final answer
    x = 2,683.12

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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.