Home / 2,273.08-3,136.14-1,278.22

Finding the Fourth Proportional to 2,273.08, 3,136.14 and 1,278.22

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Solution

The fourth proportional to 2,273.08, 3,136.14 and 1,278.22 is: 1,763.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.08 : 3,136.14 = 1,278.22 : x
  2. Step 2: Convert to fraction form
    2,273.08/3,136.14 = 1,278.22/x
  3. Step 3: Cross multiply
    2,273.08x = 3,136.14 × 1,278.22
  4. Step 4: Simplify right side
    2,273.08x = 4,008,676.87
  5. Step 5: Solve for x
    x = 4,008,676.87/2,273.08
  6. Step 6: Final answer
    x = 1,763.54

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Half scale
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Double scale
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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.