Home / 3,149.38-4,346.14-1,823.15

Finding the Fourth Proportional to 3,149.38, 4,346.14 and 1,823.15

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Solution

The fourth proportional to 3,149.38, 4,346.14 and 1,823.15 is: 2,515.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.38 : 4,346.14 = 1,823.15 : x
  2. Step 2: Convert to fraction form
    3,149.38/4,346.14 = 1,823.15/x
  3. Step 3: Cross multiply
    3,149.38x = 4,346.14 × 1,823.15
  4. Step 4: Simplify right side
    3,149.38x = 7,923,665.14
  5. Step 5: Solve for x
    x = 7,923,665.14/3,149.38
  6. Step 6: Final answer
    x = 2,515.95

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1.5x scale

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.