Home / 3,709.33-5,117.38-2,216.40

Finding the Fourth Proportional to 3,709.33, 5,117.38 and 2,216.40

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Solution

The fourth proportional to 3,709.33, 5,117.38 and 2,216.40 is: 3,057.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.33 : 5,117.38 = 2,216.40 : x
  2. Step 2: Convert to fraction form
    3,709.33/5,117.38 = 2,216.40/x
  3. Step 3: Cross multiply
    3,709.33x = 5,117.38 × 2,216.40
  4. Step 4: Simplify right side
    3,709.33x = 11,342,136.30
  5. Step 5: Solve for x
    x = 11,342,136.30/3,709.33
  6. Step 6: Final answer
    x = 3,057.73

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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.