Home / 3,120.62-4,306.30-1,794.02

Finding the Fourth Proportional to 3,120.62, 4,306.30 and 1,794.02

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Solution

The fourth proportional to 3,120.62, 4,306.30 and 1,794.02 is: 2,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.62 : 4,306.30 = 1,794.02 : x
  2. Step 2: Convert to fraction form
    3,120.62/4,306.30 = 1,794.02/x
  3. Step 3: Cross multiply
    3,120.62x = 4,306.30 × 1,794.02
  4. Step 4: Simplify right side
    3,120.62x = 7,725,562.31
  5. Step 5: Solve for x
    x = 7,725,562.31/3,120.62
  6. Step 6: Final answer
    x = 2,475.65

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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.