Home / 2,651.04-3,972.48-1,418.64

Finding the Fourth Proportional to 2,651.04, 3,972.48 and 1,418.64

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Solution

The fourth proportional to 2,651.04, 3,972.48 and 1,418.64 is: 2,125.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.04 : 3,972.48 = 1,418.64 : x
  2. Step 2: Convert to fraction form
    2,651.04/3,972.48 = 1,418.64/x
  3. Step 3: Cross multiply
    2,651.04x = 3,972.48 × 1,418.64
  4. Step 4: Simplify right side
    2,651.04x = 5,635,519.03
  5. Step 5: Solve for x
    x = 5,635,519.03/2,651.04
  6. Step 6: Final answer
    x = 2,125.78

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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.