Home / 3,119.87-4,680.62-1,476.38

Finding the Fourth Proportional to 3,119.87, 4,680.62 and 1,476.38

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Solution

The fourth proportional to 3,119.87, 4,680.62 and 1,476.38 is: 2,214.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.87 : 4,680.62 = 1,476.38 : x
  2. Step 2: Convert to fraction form
    3,119.87/4,680.62 = 1,476.38/x
  3. Step 3: Cross multiply
    3,119.87x = 4,680.62 × 1,476.38
  4. Step 4: Simplify right side
    3,119.87x = 6,910,342.97
  5. Step 5: Solve for x
    x = 6,910,342.97/3,119.87
  6. Step 6: Final answer
    x = 2,214.95

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1.5x scale

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.