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Finding the Fourth Proportional to 2,219.41, 3,329.85 and 832.89

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Solution

The fourth proportional to 2,219.41, 3,329.85 and 832.89 is: 1,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.41 : 3,329.85 = 832.89 : x
  2. Step 2: Convert to fraction form
    2,219.41/3,329.85 = 832.89/x
  3. Step 3: Cross multiply
    2,219.41x = 3,329.85 × 832.89
  4. Step 4: Simplify right side
    2,219.41x = 2,773,398.77
  5. Step 5: Solve for x
    x = 2,773,398.77/2,219.41
  6. Step 6: Final answer
    x = 1,249.61

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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.