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Finding the Fourth Proportional to 3,092.99, 4,639.48 and 1,448.38

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Solution

The fourth proportional to 3,092.99, 4,639.48 and 1,448.38 is: 2,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.99 : 4,639.48 = 1,448.38 : x
  2. Step 2: Convert to fraction form
    3,092.99/4,639.48 = 1,448.38/x
  3. Step 3: Cross multiply
    3,092.99x = 4,639.48 × 1,448.38
  4. Step 4: Simplify right side
    3,092.99x = 6,719,732.22
  5. Step 5: Solve for x
    x = 6,719,732.22/3,092.99
  6. Step 6: Final answer
    x = 2,172.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.