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Finding the Fourth Proportional to 4,311.03, 5,951.71 and 2,821.54

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Solution

The fourth proportional to 4,311.03, 5,951.71 and 2,821.54 is: 3,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.03 : 5,951.71 = 2,821.54 : x
  2. Step 2: Convert to fraction form
    4,311.03/5,951.71 = 2,821.54/x
  3. Step 3: Cross multiply
    4,311.03x = 5,951.71 × 2,821.54
  4. Step 4: Simplify right side
    4,311.03x = 16,792,987.83
  5. Step 5: Solve for x
    x = 16,792,987.83/4,311.03
  6. Step 6: Final answer
    x = 3,895.35

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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.