Home / 3,672.82-5,070.36-2,276.38

Finding the Fourth Proportional to 3,672.82, 5,070.36 and 2,276.38

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Solution

The fourth proportional to 3,672.82, 5,070.36 and 2,276.38 is: 3,142.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.82 : 5,070.36 = 2,276.38 : x
  2. Step 2: Convert to fraction form
    3,672.82/5,070.36 = 2,276.38/x
  3. Step 3: Cross multiply
    3,672.82x = 5,070.36 × 2,276.38
  4. Step 4: Simplify right side
    3,672.82x = 11,542,066.10
  5. Step 5: Solve for x
    x = 11,542,066.10/3,672.82
  6. Step 6: Final answer
    x = 3,142.56

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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.