Home / 3,795.12-5,689.80-3,150

Finding the Fourth Proportional to 3,795.12, 5,689.80 and 3,150

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Solution

The fourth proportional to 3,795.12, 5,689.80 and 3,150 is: 4,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.12 : 5,689.80 = 3,150 : x
  2. Step 2: Convert to fraction form
    3,795.12/5,689.80 = 3,150/x
  3. Step 3: Cross multiply
    3,795.12x = 5,689.80 × 3,150
  4. Step 4: Simplify right side
    3,795.12x = 17,922,870
  5. Step 5: Solve for x
    x = 17,922,870/3,795.12
  6. Step 6: Final answer
    x = 4,722.61

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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.