Home / 2,893.06-3,989.55-2,331.73

Finding the Fourth Proportional to 2,893.06, 3,989.55 and 2,331.73

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Solution

The fourth proportional to 2,893.06, 3,989.55 and 2,331.73 is: 3,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.06 : 3,989.55 = 2,331.73 : x
  2. Step 2: Convert to fraction form
    2,893.06/3,989.55 = 2,331.73/x
  3. Step 3: Cross multiply
    2,893.06x = 3,989.55 × 2,331.73
  4. Step 4: Simplify right side
    2,893.06x = 9,302,553.42
  5. Step 5: Solve for x
    x = 9,302,553.42/2,893.06
  6. Step 6: Final answer
    x = 3,215.47

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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.