Home / 2,517.53-3,776.97-1,791.72

Finding the Fourth Proportional to 2,517.53, 3,776.97 and 1,791.72

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Solution

The fourth proportional to 2,517.53, 3,776.97 and 1,791.72 is: 2,688.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.53 : 3,776.97 = 1,791.72 : x
  2. Step 2: Convert to fraction form
    2,517.53/3,776.97 = 1,791.72/x
  3. Step 3: Cross multiply
    2,517.53x = 3,776.97 × 1,791.72
  4. Step 4: Simplify right side
    2,517.53x = 6,767,272.69
  5. Step 5: Solve for x
    x = 6,767,272.69/2,517.53
  6. Step 6: Final answer
    x = 2,688.07

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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.