Home / 3,477.97-5,217.81-1,012.82

Finding the Fourth Proportional to 3,477.97, 5,217.81 and 1,012.82

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Solution

The fourth proportional to 3,477.97, 5,217.81 and 1,012.82 is: 1,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.97 : 5,217.81 = 1,012.82 : x
  2. Step 2: Convert to fraction form
    3,477.97/5,217.81 = 1,012.82/x
  3. Step 3: Cross multiply
    3,477.97x = 5,217.81 × 1,012.82
  4. Step 4: Simplify right side
    3,477.97x = 5,284,672.44
  5. Step 5: Solve for x
    x = 5,284,672.44/3,477.97
  6. Step 6: Final answer
    x = 1,519.47

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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.