Home / 2,273.06-3,136.85-1,329.44

Finding the Fourth Proportional to 2,273.06, 3,136.85 and 1,329.44

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Solution

The fourth proportional to 2,273.06, 3,136.85 and 1,329.44 is: 1,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.06 : 3,136.85 = 1,329.44 : x
  2. Step 2: Convert to fraction form
    2,273.06/3,136.85 = 1,329.44/x
  3. Step 3: Cross multiply
    2,273.06x = 3,136.85 × 1,329.44
  4. Step 4: Simplify right side
    2,273.06x = 4,170,231.53
  5. Step 5: Solve for x
    x = 4,170,231.53/2,273.06
  6. Step 6: Final answer
    x = 1,834.64

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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.