Home / 2,740.87-4,107-1,863.79

Finding the Fourth Proportional to 2,740.87, 4,107 and 1,863.79

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Solution

The fourth proportional to 2,740.87, 4,107 and 1,863.79 is: 2,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.87 : 4,107 = 1,863.79 : x
  2. Step 2: Convert to fraction form
    2,740.87/4,107 = 1,863.79/x
  3. Step 3: Cross multiply
    2,740.87x = 4,107 × 1,863.79
  4. Step 4: Simplify right side
    2,740.87x = 7,654,585.53
  5. Step 5: Solve for x
    x = 7,654,585.53/2,740.87
  6. Step 6: Final answer
    x = 2,792.76

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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.