Home / 3,023.87-4,172.54-1,765.22

Finding the Fourth Proportional to 3,023.87, 4,172.54 and 1,765.22

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Solution

The fourth proportional to 3,023.87, 4,172.54 and 1,765.22 is: 2,435.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.87 : 4,172.54 = 1,765.22 : x
  2. Step 2: Convert to fraction form
    3,023.87/4,172.54 = 1,765.22/x
  3. Step 3: Cross multiply
    3,023.87x = 4,172.54 × 1,765.22
  4. Step 4: Simplify right side
    3,023.87x = 7,365,465.90
  5. Step 5: Solve for x
    x = 7,365,465.90/3,023.87
  6. Step 6: Final answer
    x = 2,435.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.