Home / 2,451.60-3,675.78-1,153.44

Finding the Fourth Proportional to 2,451.60, 3,675.78 and 1,153.44

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Solution

The fourth proportional to 2,451.60, 3,675.78 and 1,153.44 is: 1,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.60 : 3,675.78 = 1,153.44 : x
  2. Step 2: Convert to fraction form
    2,451.60/3,675.78 = 1,153.44/x
  3. Step 3: Cross multiply
    2,451.60x = 3,675.78 × 1,153.44
  4. Step 4: Simplify right side
    2,451.60x = 4,239,791.68
  5. Step 5: Solve for x
    x = 4,239,791.68/2,451.60
  6. Step 6: Final answer
    x = 1,729.40

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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.