Home / 2,276.16-3,142.44-2,144.94

Finding the Fourth Proportional to 2,276.16, 3,142.44 and 2,144.94

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Solution

The fourth proportional to 2,276.16, 3,142.44 and 2,144.94 is: 2,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.16 : 3,142.44 = 2,144.94 : x
  2. Step 2: Convert to fraction form
    2,276.16/3,142.44 = 2,144.94/x
  3. Step 3: Cross multiply
    2,276.16x = 3,142.44 × 2,144.94
  4. Step 4: Simplify right side
    2,276.16x = 6,740,345.25
  5. Step 5: Solve for x
    x = 6,740,345.25/2,276.16
  6. Step 6: Final answer
    x = 2,961.28

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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.