Home / 3,120.66-4,306.52-1,704.36

Finding the Fourth Proportional to 3,120.66, 4,306.52 and 1,704.36

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Solution

The fourth proportional to 3,120.66, 4,306.52 and 1,704.36 is: 2,352.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.66 : 4,306.52 = 1,704.36 : x
  2. Step 2: Convert to fraction form
    3,120.66/4,306.52 = 1,704.36/x
  3. Step 3: Cross multiply
    3,120.66x = 4,306.52 × 1,704.36
  4. Step 4: Simplify right side
    3,120.66x = 7,339,860.43
  5. Step 5: Solve for x
    x = 7,339,860.43/3,120.66
  6. Step 6: Final answer
    x = 2,352.02

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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.