Home / 2,911.62-4,017.15-2,630.95

Finding the Fourth Proportional to 2,911.62, 4,017.15 and 2,630.95

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Solution

The fourth proportional to 2,911.62, 4,017.15 and 2,630.95 is: 3,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.62 : 4,017.15 = 2,630.95 : x
  2. Step 2: Convert to fraction form
    2,911.62/4,017.15 = 2,630.95/x
  3. Step 3: Cross multiply
    2,911.62x = 4,017.15 × 2,630.95
  4. Step 4: Simplify right side
    2,911.62x = 10,568,935.68
  5. Step 5: Solve for x
    x = 10,568,935.68/2,911.62
  6. Step 6: Final answer
    x = 3,629.92

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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.