Home / 2,717.67-4,049.77-2,629.47

Finding the Fourth Proportional to 2,717.67, 4,049.77 and 2,629.47

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Solution

The fourth proportional to 2,717.67, 4,049.77 and 2,629.47 is: 3,918.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.67 : 4,049.77 = 2,629.47 : x
  2. Step 2: Convert to fraction form
    2,717.67/4,049.77 = 2,629.47/x
  3. Step 3: Cross multiply
    2,717.67x = 4,049.77 × 2,629.47
  4. Step 4: Simplify right side
    2,717.67x = 10,648,742.15
  5. Step 5: Solve for x
    x = 10,648,742.15/2,717.67
  6. Step 6: Final answer
    x = 3,918.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.