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Finding the Fourth Proportional to 2,454.30, 3,682.05 and 722.91

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Solution

The fourth proportional to 2,454.30, 3,682.05 and 722.91 is: 1,084.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.30 : 3,682.05 = 722.91 : x
  2. Step 2: Convert to fraction form
    2,454.30/3,682.05 = 722.91/x
  3. Step 3: Cross multiply
    2,454.30x = 3,682.05 × 722.91
  4. Step 4: Simplify right side
    2,454.30x = 2,661,790.77
  5. Step 5: Solve for x
    x = 2,661,790.77/2,454.30
  6. Step 6: Final answer
    x = 1,084.54

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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.