Home / 3,709.74-5,112.24-2,766.62

Finding the Fourth Proportional to 3,709.74, 5,112.24 and 2,766.62

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Solution

The fourth proportional to 3,709.74, 5,112.24 and 2,766.62 is: 3,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.74 : 5,112.24 = 2,766.62 : x
  2. Step 2: Convert to fraction form
    3,709.74/5,112.24 = 2,766.62/x
  3. Step 3: Cross multiply
    3,709.74x = 5,112.24 × 2,766.62
  4. Step 4: Simplify right side
    3,709.74x = 14,143,625.43
  5. Step 5: Solve for x
    x = 14,143,625.43/3,709.74
  6. Step 6: Final answer
    x = 3,812.57

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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.