Home / 3,478.82-5,217.08-1,012.94

Finding the Fourth Proportional to 3,478.82, 5,217.08 and 1,012.94

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Solution

The fourth proportional to 3,478.82, 5,217.08 and 1,012.94 is: 1,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.82 : 5,217.08 = 1,012.94 : x
  2. Step 2: Convert to fraction form
    3,478.82/5,217.08 = 1,012.94/x
  3. Step 3: Cross multiply
    3,478.82x = 5,217.08 × 1,012.94
  4. Step 4: Simplify right side
    3,478.82x = 5,284,589.02
  5. Step 5: Solve for x
    x = 5,284,589.02/3,478.82
  6. Step 6: Final answer
    x = 1,519.08

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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.