Home / 1,845.20-2,771.64-1,463.12

Finding the Fourth Proportional to 1,845.20, 2,771.64 and 1,463.12

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Solution

The fourth proportional to 1,845.20, 2,771.64 and 1,463.12 is: 2,197.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.20 : 2,771.64 = 1,463.12 : x
  2. Step 2: Convert to fraction form
    1,845.20/2,771.64 = 1,463.12/x
  3. Step 3: Cross multiply
    1,845.20x = 2,771.64 × 1,463.12
  4. Step 4: Simplify right side
    1,845.20x = 4,055,241.92
  5. Step 5: Solve for x
    x = 4,055,241.92/1,845.20
  6. Step 6: Final answer
    x = 2,197.72

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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.