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Finding the Fourth Proportional to 3,083.86, 4,625.25 and 892.90

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Solution

The fourth proportional to 3,083.86, 4,625.25 and 892.90 is: 1,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.86 : 4,625.25 = 892.90 : x
  2. Step 2: Convert to fraction form
    3,083.86/4,625.25 = 892.90/x
  3. Step 3: Cross multiply
    3,083.86x = 4,625.25 × 892.90
  4. Step 4: Simplify right side
    3,083.86x = 4,129,885.73
  5. Step 5: Solve for x
    x = 4,129,885.73/3,083.86
  6. Step 6: Final answer
    x = 1,339.19

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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.