Home / 3,464.72-4,781.24-1,972.60

Finding the Fourth Proportional to 3,464.72, 4,781.24 and 1,972.60

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Solution

The fourth proportional to 3,464.72, 4,781.24 and 1,972.60 is: 2,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.72 : 4,781.24 = 1,972.60 : x
  2. Step 2: Convert to fraction form
    3,464.72/4,781.24 = 1,972.60/x
  3. Step 3: Cross multiply
    3,464.72x = 4,781.24 × 1,972.60
  4. Step 4: Simplify right side
    3,464.72x = 9,431,474.02
  5. Step 5: Solve for x
    x = 9,431,474.02/3,464.72
  6. Step 6: Final answer
    x = 2,722.15

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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.